408 patents
Page 11 of 21
Utility
Non-alkali Glass
27 Jan 22
An alkali-free glass sheet of the present invention includes as a glass composition, in terms of mol %, 60% to 90% of SiO2, 5% to 20% of Al2O3, 0% to 15% of B2O3, 0.1% to 20% of P2O5, 0% to 0.5% of Li2O+Na2O+K2O, 0% to 10% of MgO, 0.1% to 10% of CaO, and 0% to 5% of SrO, and has an average thermal expansion coefficient in a temperature range of from 30° C. to 380° C. of 34.0×107/° C. or less.
Atsuki SAITO, Masahiro HAYASHI
Filed: 6 Dec 19
Utility
Glass article manufacturing method
18 Jan 22
Provided is a manufacturing method for a glass article, including: a supply step of supplying glass raw materials (4) onto a molten glass (2) accommodated in a melting chamber (3) of a glass melting furnace (1); a melting step of melting the supplied glass raw materials (4) through heating; and an outflow step of causing the molten glass (2) to flow outside the melting chamber (3), wherein the glass raw materials (4) supplied from one screw feeder (5) and another screw feeder (5), which are adjacent to each other out of a plurality of screw feeders (5), extend in parallel through intermediation of a gap (6) on the molten glass (2), and wherein the glass raw materials (4) are melted through heating only with an electrode (8) and an electrode (9) each immersed in the molten glass (2) in the melting chamber (3).
Akiyuki Tsukamoto, Kazuyuki Tenyama
Filed: 17 Aug 18
Utility
Glass
13 Jan 22
An alkali-free glass of the present invention includes as a glass composition, in terms of mass %, 55% to 70% of SiO2, 15% to 25% of Al2O3, 0% to 1% of B2O3, 0% to 0.5% of Li2O+Na2O+K2O, 2% to 6% of MgO, 2% to 8% of CaO, 0% to 4% of SrO, and 6% to 12% of BaO, and has a strain point of more than 720° C.
Atsuki SAITO
Filed: 28 Sep 21
Utility
Wavelength Conversion Member and Light Emitting Device
13 Jan 22
The present invention has an object of providing a wavelength conversion member and a light emitting device which have a high luminescence intensity.
Shotaro FUKUMOTO, Tadahito FURUYAMA, Shunsuke FUJITA
Filed: 19 Dec 19
Utility
Glass plate housing jig and method for manufacturing chemically reinforced glass plate
11 Jan 22
A glass sheet accommodating jig (1) accommodates a plurality of glass sheets (2) under a state in which the plurality of glass sheets (2) are arranged upright at intervals in a thickness direction in order to immerse the plurality of glass sheets (2) in a chemical tempering liquid.
Kazunobu Kunitomo, Tatsuo Imai, Kiyotaka Kinoshita
Filed: 14 Jul 15
Utility
Band-pass Filter and Manufacturing Method Therefor
6 Jan 22
Provided are: a band-pass filter for which filter characteristics can be improved; and a manufacturing method therefor.
Keiichi Sahara, Masaaki Imura, Tsutomu Imamura, Yasutaka Tanabe
Filed: 24 Oct 19
Utility
Li2O-Al2O3-SiO2-BASED CRYSTALLIZED GLASS
30 Dec 21
A Li2O—Al2O3—SiO2-based crystallized glass contains: in a mass basis, SnO2: 0% to 5%; and HfO2+Ta2O5: 0.01% to 10%.
Yuki YOKOTA
Filed: 11 Oct 19
Utility
Method for Manufacturing Glass Article and Method for Heating Thin Sheet Glass
23 Dec 21
A method for manufacturing a glass article includes a heating step that heats a heating object made of glass.
Takayoshi SAITOH
Filed: 23 Oct 19
Utility
Reinforced Glass and Method for Producing Reinforced Glass
16 Dec 21
A tempered glass has a surface and a thickness, wherein a stress profile of the tempered glass includes a first peak at the surface, at which the compressive stress becomes a maximum, a first bottom at which the stress, which gradually reduces from the first peak in the depth direction, becomes a local minimum, a second peak at which the compressive stress, which gradually increases from the first bottom in the depth direction, becomes a local minimum, and a second bottom at which the tensile stress, which gradually reduces from the second peak in the depth direction, becomes a minimum.
Tomonori ICHIMARU, Kiyotaka KINOSHITA, Ken YUKI, Ryota SUZUKI, Yuta NAGANO
Filed: 8 Oct 19
Utility
Alkali-free Glass Plate
9 Dec 21
The present invention provides an alkali-free glass sheet, which has a content of Li2O+Na2O+K2O of from 0 mol % to 0.5 mol % in a glass composition, and has a Young's modulus of 78 GPa or more, a strain point of 680° C. or more, and a liquidus temperature of 1,450° C. or less.
Mayu NISHIMIYA
Filed: 7 Oct 19
Utility
Alkali-free Glass Plate
9 Dec 21
The present invention provides an alkali-free glass sheet, including as a glass composition, in terms of mol %, 55% to 80% of SiO2, 10% to 25% of Al2O3, 0% to 4% of B2O3, 0% to 30% of MgO, 0% to 25% of CaO, 0% to 15% of SrO, 0% to 15% of BaO, 0% to 5% of ZnO, and 0% to less than 1.0% of Y2O3+La2O3, being substantially free of an alkali metal oxide, and having a strain point of 750° C. or more.
Atsushi MUSHIAKE, Atsuki SAITO
Filed: 25 Sep 19
Utility
Alkali-free Glass Plate
9 Dec 21
The present invention provides an alkali-free glass sheet, including as a glass composition, in terms of mol %, 60% to 74% of SiO2, 6% to 20% of Al2O3, 0% to 9% of B2O3, 1% to 13% of MgO, 1% to 13% of CaO, 0% to 7% of SrO, 0% to 8% of BaO, and 0% to less than 1.0% of Y2O3+La2O3, being substantially free of an alkali metal oxide, and having a strain point of 650° C. or more.
Atsushi MUSHIAKE, Atsuki SAITO, Masahiro HAYASHI, Takashi MURATA
Filed: 7 Oct 19
Utility
Glass roll production method
7 Dec 21
A manufacturing method for a glass roll includes cutting a glass ribbon along a longitudinal direction thereof in a cutting region on a conveyance path while conveying the glass ribbon, and taking up the cut glass ribbon around a roll core at a downstream end of the conveyance path.
Hiroki Mori, Yohei Kirihata, Koji Ishichi
Filed: 22 Feb 18
Utility
Glass for Medicine Container, and Medicine Container Glass Tube and Medicine Container Using Same
2 Dec 21
The present invention provides a glass for a pharmaceutical container, which includes as a glass composition, in terms of mol %, 69% to 81% of SiO2, 4% to 12% of Al2O3, 0% to 5% of B2O3, 5% to 20% of Li2O+Na2O+K2O, 0% to 12% of Li2O, 0% to 11% of Na2O, 0.01% to 11% of MgO+CaO+SrO+BaO, and 0.01% to 11% of CaO, which satisfies the following relationship: a molar ratio MgO/CaO<9.0, and which has a working point of 1,270° C. or less.
Satoshi ARAI, Masato KAKUMA
Filed: 24 Dec 19
Utility
Reinforced Glass, and Method for Producing Reinforced Glass
2 Dec 21
A tempered glass has a surface and a thickness.
Tomonori ICHIMARU, Kiyotaka KINOSHITA, Ken YUKI, Ryota SUZUKI, Yuta NAGANO
Filed: 8 Oct 19
Utility
Wavelength conversion member and production method therefor
23 Nov 21
Provided is a wavelength conversion member that can be readily adjusted in chromaticity and can be increased in productivity and a production method for the wavelength conversion member.
Hiroyuki Shimizu, Hideki Asano, Takashi Murata
Filed: 21 Jul 17
Utility
Method for Producing Flexible Mold, Flexible Mold Substrate and Method for Producing Optical Component
18 Nov 21
Provided is a base (1) for a flexible mold that is to be wound in an endless manner, and the base includes: an intermediate sheet (2); and first and second resin sheets (3, 5) bonded to both main surfaces of the intermediate sheet (2) through intermediation of first and second bonding layers (4, 6), respectively.
Koji KUWAHARA
Filed: 20 Aug 19
Utility
Supporting Glass Substrate, Laminate, Semiconductor Package, Electronic Device, and Method of Manufacturing Semiconductor Package
18 Nov 21
Devised are a supporting substrate capable of contributing to an increase in density of a semiconductor package and a laminate using the supporting substrate.
Hiroki Katayama
Filed: 29 Jul 21
Utility
Method for etching glass, etching treatment device and glass sheet
16 Nov 21
Provided is an etching method for a glass, including an etching step (S2) of immersing a glass (G) in an etching liquid (E) to subject the glass (G) to etching treatment.
Yoshiyuki Sakade, Hiroaki Nakahori, Takeshi Inui
Filed: 27 Aug 18
Utility
Cover member and information device
16 Nov 21
A cover member used to cover a display device is disclosed that includes a first main surface arranged at a visually recognized side, a second main surface arranged opposite to the first main surface, a first light transmission portion, and a second light transmission portion.
Toshiyuki Kajioka, Koji Ikegami
Filed: 9 Jul 18