855 patents
Page 28 of 43
Utility
High efficiency back contact type solar cell, solar cell module, and photovoltaic power generation system
19 Jan 21
In a back contact type solar cell in which an impurity diffusion layer where second conductive type impurities are diffused is formed on a back surface, as a non-light receiving surface, of a first conductive type semiconductor substrate, and an electrode in contact with the impurity diffusion layer is provided, a surface concentration of the impurities in the impurity diffusion layer is not less than 5×1017 atms/cm3 and not more than 5×1019 atms/cm3, and a diffusion depth of the impurities in the impurity diffusion layer is not smaller than 1 μm and not larger than 2.9 μm from a top of the back surface.
Ryo Mitta, Hiroshi Hashigami, Takenori Watabe, Hiroyuki Ohtsuka
Filed: 13 Dec 16
Utility
Hypromellose acetate succinate and method for producing the same
12 Jan 21
There are provided HPMCAS (hypromellose acetate succinate) having such a property that a solution of the HPMCAS in a solvent has a controlled viscosity; and a method for producing the HPMCAS.
Junichi Matsubara, Naosuke Maruyama, Mitsuhiro Yoshida
Filed: 30 Oct 17
Utility
Silicone mist inhibitor
12 Jan 21
A silicone mist inhibitor which has an excellent effect of inhibiting silicone mist and provides a composition and a cured product which have excellent storage stability is provided.
Kenji Tanaka, Shinji Irifune, Yoshinori Inokuchi
Filed: 21 Apr 17
Utility
Methods of producing ceramic molded product and transparent sintered body
12 Jan 21
A transparent sintered body having fewer air bubble-derived defects is provided.
Keita Tanaka
Filed: 20 Jan 17
Utility
Processes for preparing 4-methyl-5-nonanone and 4-methyl-5-nonanol
4 Jan 21
Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
Filed: 19 Dec 19
Utility
Low-substituted hydroxypropyl cellulose, production method thereof, and solid preparation
4 Jan 21
There are provided low-substituted hydroxypropyl cellulose (L-HPC) having good compressibility and capping-prevention performance, and others.
Yasuyuki Hirama
Filed: 1 Oct 17
Utility
Processes for preparing 4-methyl-5-nonanone and 4-methyl-5-nonanol
4 Jan 21
Yuki Miyake, Takeshi Kinsho, Yusuke Nagae
Filed: 19 Dec 19
Utility
Method for producing alkyl cellulose
4 Jan 21
Provided is a method for producing an alkyl cellulose having a high viscosity and not having an excessively high gel strength.
Akira Kitamura, Atsushi Yamamoto, Mitsuo Narita, Heiko Nebel, Andreas Schultz
Filed: 9 Dec 15
Utility
Composite substrate for surface acoustic wave device, method of producing composite substrate for surface acoustic wave device, and surface acoustic wave device using composite substrate
4 Jan 21
Provided is a high-performance composite substrate for surface acoustic wave device which has good temperature characteristics and in which spurious caused by the reflection of a wave on a joined interface between a piezoelectric crystal film and a support substrate is reduced.
Shoji Akiyama, Masayuki Tanno, Shozo Shirai
Filed: 3 Jul 17
Utility
Production method for organopolysiloxane emulsion composition
21 Dec 20
Akihiro Kobayashi, Yuko Takada, Takuya Abe
Filed: 31 Aug 16
Utility
Epoxy group-containing organopolysiloxane, ultraviolet curable silicone composition, and method of forming a cured film
21 Dec 20
Ryota Hashimoto, Shinji Irifune
Filed: 22 Oct 17
Utility
Reaction furnace for producing polycrystalline silicon, apparatus for producing polycrystalline silicon, method for producing polycrystalline silicon, and polycrystalline silicon rod or polycrystalline silicon ingot
21 Dec 20
A reaction furnace for producing a polycrystalline silicon according to the present invention is designed so as to have an in-furnace reaction space in which a reaction space cross-sectional area ratio (S=[S0−SR]/SR) satisfies 2.5 or more, which is defined by an inner cross-sectional area (So) of a reaction furnace, which is perpendicular to a straight body portion of the reaction furnace, and a total sum (SR) of cross-sectional areas of polycrystalline silicon rods that are grown by precipitation of polycrystalline silicon, in a case where a diameter of the polycrystalline silicon rod is 140 mm or more.
Shigeyoshi Netsu, Naruhiro Hoshino, Tetsuro Okada, Hiroshi Saito
Filed: 9 Apr 20
Utility
Cosmetic
21 Dec 20
Masayuki Konishi, Chihiro Hayakawa
Filed: 25 Apr 17
Utility
Low heat resistance silicone composition
21 Dec 20
A low heat resistance silicone composition, including: (A) an organopolysiloxane having a specific kinematic viscosity; (B) an organopolysiloxane having a specific kinematic viscosity; (C) an α-aluminum oxide powder, α-aluminum oxide having a specific crystal structure and a particle shape with a D/H ratio in the predetermined range when a maximum particle diameter parallel to a hexagonal lattice face of the hexagonal close-packed lattice is taken as D and a particle diameter perpendicular to the hexagonal lattice face is taken as H, and the α-aluminum oxide powder having a specific average particle diameter, a specific content of coarse particles, and a specific purity; and (D) a spherical and/or irregular-shaped zinc oxide powder having a specific average particle diameter, and a specific content of coarse particles, in which the low heat resistance silicone composition has a specific heat conductivity and a specific viscosity.
Mitsuhiro Iwata
Filed: 29 May 19
Utility
Resist composition and patterning process
21 Dec 20
A resist composition is provided comprising a base polymer containing an iodized polymer, and an acid generator containing a sulfonium salt and/or iodonium salt of iodized benzene ring-containing fluorosulfonic acid.
Jun Hatakeyama, Masaki Ohashi, Masahiro Fukushima, Takayuki Fujiwara
Filed: 12 Sep 18
Utility
Negative electrode active material, negative electrode, lithium ion secondary battery, method of using lithium ion secondary battery, method of producing negative electrode active material, and method of producing lithium ion secondary battery
21 Dec 20
A negative electrode active material including a negative electrode active material particle; the negative electrode active material particle including a silicon compound shown by SiOx (0.5≤x≤1.6), wherein at least part of the Si4+ contained in the negative electrode active material particle is to be changed to at least one state selected from valence states of Siy+ (y is any of 0, 1, 2, and 3) in occlusion of Li in the negative electrode active material.
Takakazu Hirose, Reiko Sakai
Filed: 15 May 17
Utility
Bio-electrode composition, bio-electrode, and method for manufacturing bio-electrode
14 Dec 20
Jun Hatakeyama, Motoaki Iwabuchi, Osamu Watanabe, Keisuke Niida
Filed: 23 Oct 18
Utility
Polycrystalline silicon rod, method for producing polycrystalline silicon rod, and single-crystalline silicon
14 Dec 20
In the present invention, once a polycrystalline silicon rod is grown by the Siemens process, the polycrystalline silicon rod is heat-treated within a temperature range from 750° C. to 900° C. to relieve residual stress in the crystal.
Shuichi Miyao, Shigeyoshi Netsu, Tetsuro Okada
Filed: 10 Oct 18
Utility
Heat-curable resin composition, heat-curable resin film and semiconductor device
14 Dec 20
Naoyuki Kushihara, Yuki Kudo, Kazuaki Sumita, Yoshihiro Tsutsumi, Yoshihira Hamamoto
Filed: 29 Aug 19
Utility
Method for producing polymer tube containing liquid and being sealed at constant intervals and apparatus for producing polymer tube
14 Dec 20
Provided are a method and an apparatus for extruding into a tube and filling the tube at a high speed and simultaneously sealing the tube.
Ryuichi Saguchi, Tomoaki Kaji, Masahiko Naruse
Filed: 29 Mar 18