408 patents
Page 9 of 21
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
Glass Substrate
30 Jun 22
A glass substrate of the present invention has a strain point of from 695° C. to 740° C., a temperature at 104.5 dPa·s of 1,300° C. or less, a liquidus viscosity of 104.5 dPa·s or more, a Young's modulus of 78 GPa or more, and a thermal shrinkage rate in heat treatment at 500° C. for 1 hour of 20 ppm or less.
Masahiro HAYASHI, Mayu NISHIMIYA
Filed: 6 Mar 20
Utility
Method for Manufacturing Glass Sheet, and Glass Sheet and Glass Sheet Assembly
30 Jun 22
Provided is a method of manufacturing a glass sheet having a through hole, including: a first step of preparing a glass sheet (1); and a second step of forming a through hole (2) in the glass sheet (1), wherein the first step includes, under conditions of: θ representing an inclination angle of an inner wall surface (2a) of the through hole (2) with respect to a sheet thickness direction; D representing a minimum hole width of the through hole (2); and an allowable variation range of the minimum hole width D being represented by A % of the minimum hole width D, preparing the glass sheet (1) for which a sheet thickness variation range ΔT satisfies the following relationship when the through hole (2) is gradually widened toward only one side of the sheet thickness direction: ΔT≤(D×A/tan θ)/200.
Takayuki NODA
Filed: 3 Apr 20
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
Wavelength Conversion Member, Production Method Therefor, and Light-emitting Device
16 Jun 22
The purpose is to provide a wavelength conversion member, a method for producing the wavelength conversion member, and a light-emitting device, which are capable of reducing the temperature rise of the wavelength conversion member and thus reducing the decrease in luminescence intensity with time and deformation and discoloration of constituent materials.
Shotaro FUKUMOTO, Shunsuke FUJITA
Filed: 6 Apr 20
Utility
Decorative Glass Article
16 Jun 22
A decorative glass article contains: in mol %, 10% to 70% of La2O3, 10% to 90% of Nb2O5, 0% to 40% of B2O3, and 0% to 50% of TiO2, wherein a refractive index is 2.0 or more and an Abbe number is 50 or less.
Naoki FUJITA, Shinsaku NISHIDA
Filed: 26 Mar 20
Utility
Glass Resin Laminate
9 Jun 22
Provided is a glass resin laminate (1), including: a resin layer (2); a glass sheet (3); an adhesive layer (4) configured to bond the glass sheet (3) and the resin layer (2); and a functional film (5) interposed in the adhesive layer (4).
Takehiko ISOMOTO, Yasuhiko NOZAKI, Yoshio TANAKA
Filed: 23 Feb 22
Utility
Decorative Glass Article
2 Jun 22
A decorative glass article is substantially free of lead oxide, and has a refractive index of 1.9 or more and an Abbe number of 42 or less.
Naoki FUJITA, Shinsaku NISHIDA, Tomoko ENOMOTO
Filed: 18 Mar 20
Utility
Glass Sheet
2 Jun 22
A glass sheet of the present invention includes as a glass composition, in terms of mass %, 50% to 72% of SiO2, 0% to 22% of Al2O3, 15% to 38% of B2O3, 0% to 3% of Li2O+Na2O+K2O, and 0% to 12% of MgO+CaO+SrO+BaO, and has a specific dielectric constant at 25° C. and a frequency of 10 GHz of 5 or less.
Ryota SUZUKI
Filed: 26 Feb 20
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
Wavelength Conversion Member, Method for Manufacturing Same, and Light Emission Device
26 May 22
The purpose is to provide a wavelength conversion member, a method for manufacturing the wavelength conversion member, and a light-emitting device, which are capable of reducing the temperature rise of the wavelength conversion member and thus reducing the decrease in luminescence intensity with time and deformation and discoloration of constituent materials.
Shotaro FUKUMOTO, Shunsuke FUJITA
Filed: 6 Apr 20
Utility
Infrared-transmitting Glass
12 May 22
Provided is a thermally stable infrared-transmitting glass.
Yoshimasa MATSUSHITA, Fumio SATO
Filed: 21 Feb 20
Utility
Glass
5 May 22
Devised is a glass which has high heat resistance and a low thermal expansion coefficient, and is excellent in productivity.
Atsuki SAITO
Filed: 14 Jan 22
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
Utility
Infrared-transmitting Glass
28 Apr 22
Provided is a thermally stable and inexpensive infrared-transmitting glass.
Yoshimasa MATSUSHITA, Fumio SATO
Filed: 21 Feb 20