713 patents
Page 5 of 36
Utility
Electrostatic-chuck heater
30 May 23
An electrostatic-chuck heater is a Johnsen-Rahbek electrostatic-chuck heater and is used in a process of forming a conductive film on a wafer.
Yutaka Unno, Reo Watanabe
Filed: 15 Jun 20
Utility
Ceramic heater
30 May 23
A ceramic heater includes a ceramic plate in which inner circumferential side and outer circumferential side resistance heating elements are built in; and a cylindrical shaft joined to a rear surface of the ceramic plate.
Tomohiro Takahashi, Ryohei Matsushita
Filed: 15 Jul 20
Utility
Lithium rechargeable battery and card with built-in battery
30 May 23
Provided is a lithium secondary battery including: a positive electrode plate which is a lithium complex oxide sintered plate; a negative electrode layer; a separator; an electrolytic solution; and a pair of exterior films having outer peripheral edges sealed with each other to form an internal space that accommodates the battery elements, wherein the portions of the negative electrode layer and the separator corresponding to the outer extension of the battery is deviated toward the positive electrode plate side from the portions of the negative electrode layer and the separator corresponding to the body of the battery.
Haruo Otsuka, Yuki Fujita, Nobuyuki Kobayashi
Filed: 17 Jun 20
Utility
Sensor
23 May 23
The probability of a heater portion of a sensor element being exposed to water is lowered.
Yusuke Watanabe, Shotaro Niizuma, Hayami Aota, Toshihiro Hirakawa, Kirari Takahashi
Filed: 21 Mar 22
Utility
Lithium secondary battery and card with built-in battery
23 May 23
Provided is a lithium secondary battery including: a positive electrode plate which is a lithium complex oxide sintered plate; a negative electrode layer containing carbon; a separator interposed between the positive electrode plate and the negative electrode layer; and an electrolytic solution with which the positive electrode plate, the negative electrode layer, and the separator are impregnated, wherein the positive electrode plate has a thickness of 70 to 120 μm, the negative electrode layer has a thickness of 90 to 170 μm, the lithium secondary battery has a rectangular flat plate shape with each side having a length of 20 to 55 mm, the lithium secondary battery has a thickness of 350 to 500 μm, and the lithium secondary battery has an energy density of 200 to 300 mWh/cm3.
Yukinobu Yura, Masahiko Hibino, Yuki Fujita
Filed: 2 Jul 20
Utility
Joined body of piezoelectric material substrate and support substrate, and acoustic wave element
23 May 23
A bonded body includes a supporting substrate, a piezoelectric material substrate of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate, and a bonding layer bonding the supporting substrate and piezoelectric material substrate.
Yuji Hori, Takahiro Yamadera, Tatsuro Takagaki
Filed: 12 Jun 20
Utility
Honeycomb structure
16 May 23
A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells, which serving as fluid through channels extending from a first end face to a second end face, wherein the plurality of cells includes: large opening cells having a large opening area on the first end face and the second end face; and small opening cells having an opening area smaller than that of the large opening cells on the first end face and the second end face, a ratio of an opening diameter of the large opening cells to an opening diameter of the small opening cells is larger than 1.11 and smaller than 1.28, and the opening diameter of the small opening cells is larger than 0.78 mm, and a cell density of the honeycomb structure body is larger than 93 pcs/cm2 and smaller than 104 pcs/cm2.
Yudai Kurimoto, Shogo Hirose
Filed: 1 Feb 21
Utility
Flow path structure of heat exchanger, and heat exchanger
9 May 23
A heat exchanger 100 includes: an inner cylinder 10 through which a first fluid can flow, the inner cylinder 10 being configured to be capable of housing a heat recovery member 40; an outer cylinder 20 disposed so as to be spaced on a radially outer side of the inner cylinder 10 such that a second fluid can flow between the outer cylinder 20 and the inner cylinder 10; and an intermediate cylinder 30 disposed between the inner cylinder 10 and the outer cylinder 20, the intermediate cylinder 30 partitioning a flow path for the second fluid into an inner flow path 31b and an outer flow path 31a.
Takafumi Hamada, Tatsuo Kawaguchi, Takeshi Sakuma, Yutaro Fumoto
Filed: 11 Mar 20
Utility
Bottom face processing method of pillar-shaped honeycomb structure, manufacturing method of fired honeycomb structure, and manufacturing method of joined body
25 Apr 23
Nobuhiro Fujie, Yuji Watanabe, Ken Itadu, Yoshihiro Sato
Filed: 15 Mar 19
Utility
Phosphor element and lighting device
25 Apr 23
A phosphor element includes: a phosphor part having an incident face for excitation light, an opposing face opposing the incident face, and a side face, the phosphor part converting at least a part of the excitation light incident onto the incident face into a fluorescence and emitting the fluorescence from the incident face; an integral low refractive index layer on the side face and opposing face of the phosphor part and having a refractive index lower than that of the phosphor part; and an integral reflection film covering a surface of the low refractive index layer.
Jungo Kondo, Naotake Okada, Yuichi Iwata, Keiichiro Asai, Yudai Uno
Filed: 18 Jan 22
Utility
Electrochemical cell
25 Apr 23
An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO3 and containing La and Sr at an A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode.
Shinji Fujisaki, Takashi Ryu, Makoto Ohmori
Filed: 23 Jun 20
Utility
Joined body and elastic wave element
25 Apr 23
A bonded body having a supporting substrate and piezoelectric material layer is provided.
Masashi Goto, Tomoyoshi Tai, Mai Minoura
Filed: 20 Feb 20
Utility
Heat recovery device and heat recovery system
18 Apr 23
A heat recovery device includes: a honeycomb structure including an outer peripheral wall having at least one outer peripheral surface, and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each extending from a first end face to a second end face to form a flow path for a first fluid; a thermoelectric conversion element arranged to face the outer peripheral surface of the outer peripheral wall; a cylindrical member that circumferentially covers the honeycomb structure in which the thermoelectric conversion element is arranged; a casing arranged at an interval so as to form a flow path for a second fluid, the casing being arrange on a radially outer side of the cylindrical member; and a pressing member being configured to press the cylindrical member against the thermoelectric conversion element.
Makoto Yoshihara, Ryushiro Akaishi, Tatsuo Kawaguchi
Filed: 18 Oct 21
Utility
Acoustic wave devices and a method of producing the same
18 Apr 23
An acoustic wave device includes a piezoelectric material substrate, an intermediate layer on the piezoelectric material substrate and composed of one or more materials selected from the group consisting of silicon oxide, aluminum nitride and sialon.
Tomoyoshi Tai, Masahiko Namerikawa, Yudai Uno, Ryosuke Hattori, Keiichiro Asai
Filed: 26 Mar 19
Utility
Pillar-shaped honeycomb structure filter
28 Mar 23
A pillar-shaped honeycomb structure including a plurality of first cells extending from an inlet side end surface to an outlet side end surface, and a plurality of second cells extending from the inlet side end surface to the outlet side end surface, with a porous partition wall interposed therebetween, wherein a porous film having a porosity higher than that of the partition walls is provided on a surface of each of the first cells, and at a cross-section orthogonal to the direction in which the first cells of the pillar-shaped honeycomb structure filter extend, the average thickness of the porous film in the central portion is larger than the average thickness of the porous film in the outer peripheral portion.
Yoshihiro Sato, Shuji Ueda, Koichi Sendo, Yutaka Ishii, Yuichi Tajima, Seiya Nakano, Ken Itazu
Filed: 24 Feb 22
Utility
SiC powder and method for manufacturing same, electrically heated honeycomb structure and method for manufacturing same
28 Mar 23
A SiC powder containing 70% by mass or more of a β-SiC, wherein in a volume-based cumulative particle size distribution measured by a laser diffraction method, a D50 is 8 to 35 μm and a D10 is 5 μm or more.
Takafumi Kimata, Soichiro Aoyagi, Kisuke Yamamoto
Filed: 28 May 20
Utility
Pillar shaped honeycomb structure, exhaust gas purifying device, exhaust system, and method for producing honeycomb structure
28 Mar 23
A pillar shaped honeycomb structure includes: a porous partition wall that defines a plurality of cells, the cells forming flow paths for a fluid, the cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference.
Yukio Miyairi, Takehide Shimoda, Takashi Aoki, Hirofumi Sakamoto, Masaaki Masuda, Atsuo Kondo, Yunie Izumi, Kyohei Kato, Norihiro Wakita
Filed: 29 Dec 20
Utility
Method for estimating characteristics of ceramic fired body
28 Mar 23
A method for estimating characteristics of a ceramic fired body, the method including: preparing a ceramic fired body by firing a formed green body; measuring a color of the ceramic fired body; and with use of a correlation between the color and at least one characteristic selected from a group consisting of a porosity, a pore diameter, and a thermal expansion coefficient previously determined for a ceramic fired body having a same composition as that of the ceramic fired body, estimating the at least one characteristic of the ceramic fired body from the color of the ceramic fired body, measured in the previous step.
Daniel Yukichi Kitaguchi
Filed: 10 Feb 20
Utility
Method for drying honeycomb formed body and method for manufacturing honeycomb structure
21 Mar 23
A method for drying a honeycomb formed body, the honeycomb formed body being an unfired honeycomb formed body including a raw material composition containing a ceramic raw material and water, the method including: a dielectric drying process of obtaining a primary dried honeycomb formed body from which 30 to 70% of entire moisture contained in the unfired honeycomb formed body before the drying is removed by performing dielectric drying on the unfired honeycomb formed body while maintaining a temperature of a central portion of the unfired honeycomb formed body at 100° C. or less; and a microwave drying process of obtaining a honeycomb dried body from which residual moisture is removed by performing microwave drying on the primary dried honeycomb formed body obtained in the dielectric drying process.
Kensuke Okumura, Norihiro Asakura
Filed: 21 Aug 18
Utility
Conductive supporting member and method for producing the same
21 Mar 23
A conductive supporting member includes an outer portion that includes a Cu matrix phase and a second phase dispersed in the Cu matrix phase and containing a Cu—Zr compound and that has an alloy composition represented by Cu-xZr (x is atomic % of Zr and 0.5≤x≤16.7 is satisfied) and an inner portion that is present on an inner side of the outer portion, is formed of a metal containing Cu, and has higher conductivity than the outer portion.
Takashi Goto, Hirokazu Katsui, Naokuni Muramatsu, Takanari Nakajima
Filed: 25 Apr 19