148 patents
Page 3 of 8
Utility
Chemically strengthened glass and method for manufacturing chemically strengthened glass
25 Oct 22
Provided is a tempered glass sheet, including: a compressive stress layer having a compressive stress of 20 MPa or more continuously from a main surface in a depth direction thereof; a tensile stress layer that is arranged on an inner side with respect to the compressive stress layer in a sheet thickness direction and has a tensile stress of 20 MPa or more continuously in a depth direction thereof; and a stress-neutral layer arranged between the compressive stress layer and the tensile stress layer, wherein the stress-neutral layer has a compressive stress of less than 20 MPa and/or a tensile stress of less than 20 MPa continuously in the sheet thickness direction, and has a thickness of 5.3% or more of a sheet thickness.
Kiyotaka Kinoshita, Hiroshi Sasaki
Filed: 19 Jul 18
Utility
Method for manufacturing glass roll
25 Oct 22
Provided is a method of producing a glass roll including: a conveying step of conveying a glass film (G) along a longitudinal direction thereof; a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) by the conveying step, to thereby separate the glass film (G) into a non-product portion (Gc) and a product portion (Gd); and a take-up step of taking up the product portion (Gd) into a roll shape, to thereby form a glass roll (R).
Hiroki Mori, Yohei Kirihata
Filed: 25 Oct 18
Utility
Method for manufacturing glass plate and manufacturing apparatus therefor
18 Oct 22
Provided is a method of manufacturing a glass sheet, which comprises a conveying step of conveying a glass sheet (G3) by holding an upper part of the glass sheet (G3) in a vertical posture.
Isao Okuyama, Mamoru Nakai, Hideki Tanabe
Filed: 17 Oct 18
Utility
Method for producing glass film
4 Oct 22
Provided is a method of manufacturing a glass film, including: a conveying step of conveying an elongated glass film (G) along a longitudinal direction thereof; and a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) through the conveying step, to thereby separate the glass film (G).
Hiroki Mori, Koichi Mori, Shuji Akiyama, Yasuhiro Uemura, Naoyuki Matsumoto
Filed: 29 Jan 18
Utility
Method for producing glass plate
4 Oct 22
Provided is a method of manufacturing a glass sheet including a step of bringing a glass sheet (G1, G2) having a first liquid adhering to a surface into contact with a roller (5a, 5b).
Hiroki Nakatsuka, Kaoru Mitsugi
Filed: 13 Dec 18
Utility
Manufacturing method for phosphor glass thin plate and piece thereof, and phosphor glass thin plate and piece thereof
6 Sep 22
Provided is a manufacturing method for a thin phosphor glass plate by which a thin phosphor glass plate can be more certainly produced.
Hideki Asano, Tomomichi Kunimoto, Hiroyuki Shimizu
Filed: 28 Jan 19
Utility
Glass substrate
30 Aug 22
A glass substrate of the present invention has a temperature at a viscosity at high temperature of 102.5 dPa·s of 1,650° C. or less, and an estimated viscosity Log η500 at 500° C. of 26.0 or more calculated by the equation Log η500=0.167×Ps−0.015×Ta−0.062×Ts−18.5.
Atsuki Saito
Filed: 12 Apr 18
Utility
Transparent product and method for producing transparent product
30 Aug 22
Toshiyuki Kajioka, Koji Ikegami
Filed: 15 May 18
Utility
Glass plate
2 Aug 22
A glass sheet of the present invention is a glass sheet for producing a glass-resin composite through integral combination with a resin sheet, the glass sheet including as a glass composition, in terms of mol %, 40% to 80% of SiO2, 5% to 30% of Al2O3, 0% to 20% of Li2O+Na2O+K2O, 3% to 35% of MgO, and 0% to 15% of CaO+SrO+BaO.
Yohei Hosoda, Shingo Nakane
Filed: 27 Feb 18
Utility
All-solid-state sodium ion secondary battery
2 Aug 22
Provided is an all-solid-state sodium ion secondary battery in which a current collector is difficult to peel from an electrode layer and which can suppress the decreases in discharge capacity and discharge voltage.
Junichi Ikejiri, Hideo Yamauchi
Filed: 22 May 18
Utility
Airtight package
26 Jul 22
The present invention provides a hermetic package, including a ceramic base and a glass cover hermetically integrated with each other via a sealing material layer, wherein the ceramic base includes 0.1 mass % to 10 mass % of a black pigment, and wherein a difference between: a light absorption rate of the ceramic base at a wavelength of 808 nm when converted to 0.5 mm; and a light absorption rate of the sealing material layer at a wavelength of 808 nm when converted to 0.005 mm is 30% or less.
Toru Shiragami
Filed: 21 Aug 19
Utility
Glass tube production method
19 Jul 22
A method for manufacturing a glass tube is disclosed that includes the step of forming a through hole in a tube wall of a glass tube with two ends including a first end and a second end, each having an opening, near the first end.
Masahiko Sato
Filed: 24 Jul 17
Utility
Positive electrode active material for sodium ion secondary battery
12 Jul 22
Provided is a Ni-based positive electrode active material for a sodium ion secondary battery having an excellent discharge capacity.
Hideo Yamauchi
Filed: 23 Mar 18
Utility
Glass tube for metal sealing and glass for metal sealing
5 Jul 22
A glass tube for sealing a metal includes a glass that contains, in terms of mass %, 50% or more of SiO2+B2O3, 0% to 10% of Al2O3, 3% to 20% of RO (R is an alkaline earth metal), and 11% to 22% of R′2O (R′ is an alkali metal), and that has 10 μl/g or less of an amount of CO2 emitted when heated from a room temperature to 1100° C.
Tatsuya Goto, Kakumi Shiraishi, Kiyoyuki Okunaga, Koichi Hashimoto
Filed: 13 Apr 17
Utility
Polarizing glass sheet set for optical isolator and method for manufacturing optical element for optical isolator
21 Jun 22
Kouichi Yabuuchi, Tomoaki Kawamura, Hirokazu Takeuchi
Filed: 26 Dec 18
Utility
Belt-like glass film quality inspection method and glass roll
31 May 22
In cutting a band-shaped glass film along a longitudinal direction thereof and evaluating linearity of an end side formed in association with the cutting to inspect quality of a cut band-shaped glass film, the following steps are performed: an imaging step of dividing the end side into a plurality of segments and imaging each of the plurality of segments; a linear approximation step of calculating an approximate straight line of the end side based on a plurality of points different from each other on the end side in each of a plurality of images obtained in the imaging step; a variation calculation step of calculating a variation value of the plurality of points based on the approximate straight line; and an evaluation step of evaluating the linearity of the end side based on a plurality of variation values respectively corresponding to the plurality of images.
Kaoru Mitsugi, Kazunari Noguchi
Filed: 30 Nov 17
Utility
Method for manufacturing wavelength conversion member, wavelength conversion member, and light-emitting device
3 May 22
Provided are a method for manufacturing wavelength conversion members that enables manufacturing of wavelength conversion members having a high light extraction efficiency and suppression of material loss, a wavelength conversion member obtained by the method, and a light-emitting device.
Tomomichi Kunimoto, Hideki Asano
Filed: 16 Sep 20
Utility
Glass-plate cleaning device and method for producing glass plate
3 May 22
A cleaning apparatus for a glass sheet includes a housing in which a cleaning liquid is stored, a plurality of spindle cases fixed to the housing to face an internal space of the housing, a spindle rotatably held in each of the spindle cases to face an internal space of the each of the spindle cases, and a cleaning member mounted to a distal end portion of the spindle.
Kaoru Mitsugi
Filed: 12 Sep 18
Utility
Glass material manufacturing method and glass material manufacturing device
3 May 22
Provided is a method that can manufacture a glass material having excellent homogeneity by containerless levitation.
Tomoko Yamada, Fumio Sato
Filed: 11 Mar 19
Utility
Wavelength conversion member and production method therefor
3 May 22
Provided is a wavelength conversion member that can be adjusted in chromaticity readily and with high accuracy and a production method for the wavelength conversion member.
Hiroyuki Shimizu, Hideki Asano, Takashi Murata
Filed: 21 Jul 17