855 patents
Page 14 of 43
Utility
Photomask blank, manufacturing method of photomask and photomask
2 Aug 22
A photomask blank has a first layer, a second layer, a third layer and a fourth layer.
Naoki Matsuhashi
Filed: 4 Dec 20
Utility
Silicone structure-containing polymer, photosensitive resin composition, photosensitive resin coating, photosensitive dry film, laminate, and pattern forming process
2 Aug 22
A photosensitive resin composition comprising a silicone structure-containing polymer having crosslinking groups or crosslinking reaction-susceptible reactive sites in the molecule is coated onto a substrate to form a photosensitive resin coating which has improved substrate adhesion, a pattern forming ability, crack resistance, heat resistance, and reliability as protective film.
Hitoshi Maruyama, Kazunori Kondo
Filed: 7 Aug 18
Utility
Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid
26 Jul 22
Provided are HPMCAS powder having high solubility when dissolved in a solvent and being capable of suppressing generation of undissolved materials; and a method for producing the powder.
Junichi Matsubara, Naosuke Maruyama, Mitsuhiro Yoshida, Kazuki Kikuchi
Filed: 9 Oct 20
Utility
Pellicle frame and pellicle
26 Jul 22
The present invention is to provide a pellicle frame characterized by including a metal or alloy having a linear expansion coefficient of 10×10−6 (1/K) or less and further a density of 4.6 g/cm3 or less, and a pellicle characterized by including the pellicle frame as an element.
Yu Yanase
Filed: 21 Aug 20
Utility
Cosmetic
19 Jul 22
Masanao Kamei, Tomoya Kanai, Takuya Abe, Ryuichi Inaba, Tsuneo Kimura
Filed: 22 Jun 18
Utility
Yttrium fluoride spray material, yttrium oxyfluoride-deposited article, and making methods
19 Jul 22
An yttrium fluoride spray material contains Y5O4F7 and YF3, and has an average particle size of 10-60 μm and a bulk density of 1.2-2.5 g/cm3.
Yasushi Takai, Noriaki Hamaya
Filed: 9 May 19
Utility
Resist composition and patterning process
19 Jul 22
A resist composition comprising a carbonyloxyimide compound having an iodized or brominated aromatic ring has a high sensitivity and forms a pattern having improved LWR or CDU.
Jun Hatakeyama, Masaki Ohashi
Filed: 2 Aug 19
Utility
Composition for forming silicon-containing resist underlayer film and patterning process
12 Jul 22
Tsutomu Ogihara, Yusuke Biyajima, Masahiro Kanayama, Tsukasa Watanabe, Masaki Ohashi
Filed: 3 Jan 20
Utility
Method for elongating glass preform for optical fiber
12 Jul 22
A method for elongating a glass preform for an optical fiber is provided for producing a glass rod having a smaller diameter by elongating the glass preform having a large diameter, the method including: when the glass preform having a tapered transparent glass portion at one end of a straight body of the glass preform and a tapered portion including an opaque glass portion at another end is elongated, prior to the elongating, cutting a part of the tapered portion including the opaque glass portion, wherein a cut surface of the part is a lower end of the glass preform; and welding the cut surface of the tapered portion to a pulling dummy connected to a pulling mechanism in a elongating apparatus, wherein the cut surface is circular and has an outer diameter ranging from 135 mm to 160 mm.
Ryo Mitta
Filed: 25 Feb 20
Utility
Addition-curable silicone rubber composition and air bag
12 Jul 22
Hidenori Mizushima, Ryo Ashida, Shigeru Ubukata
Filed: 6 Jun 18
Utility
Dimethylcyclobutanone compounds, dimethylcyclobutane compounds, and processes for preparing the same
12 Jul 22
Naoki Ishibashi, Yusuke Nagae, Takeshi Kinsho
Filed: 16 Jul 20
Utility
7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same
12 Jul 22
Takeshi Kinsho, Akihiro Baba, Yusuke Nagae, Tomohiro Watanabe
Filed: 12 Feb 20
Utility
Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus
12 Jul 22
A wire-drawing optical fiber base material manufacturing method of heating an optical fiber base material by a heater and forming a drawing shape portion at an end portion.
Tetsuya Otosaka
Filed: 1 Mar 18
Utility
Process for preparing an alkoxymethyl alkynyl ether compound having a terminal triple bond
12 Jul 22
The present invention provides a process for preparing an alkoxymethyl alkynyl ether compound having a terminal triple bond of the following formula (4): H—C≡C(CH2)aOCH2OCH2R (4), wherein R represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, and “a” represents an integer of 1 to 10, the method comprising subjecting an alkynol compound having a terminal triple bond of the following formula (1): H—C≡C(CH2)aOH (1), wherein “a” is as defined above, to an alkoxymethylation with a halomethyl alkyl ether compound of the following formula (3): RCH2OCH2X (3), wherein X represents a halogen atom, and R is as defined above, in the presence of a dialkylaniline compound of the following formula (2): [CH3(CH2)b][CH3(CH2)c]NC6H5 (2), wherein b and c represent, independently of each other, an integer of 0 to 9, to form the alkoxymethyl alkynyl ether compound (4) having a terminal triple bond.
Yuki Miyake, Miyoshi Yamashita, Takeshi Kinsho, Akihiro Baba
Filed: 21 Dec 20
Utility
Plastic laminate and process for manufacturing the same
5 Jul 22
Tatsuro Kaneko
Filed: 20 Jul 20
Utility
Preparation of organosilicon compound having (meth)acryloyloxy group
5 Jul 22
Takeshi Nyuugaku
Filed: 22 Oct 20
Utility
Composite stretchable film and method for forming same
5 Jul 22
Jun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda
Filed: 4 Nov 19
Utility
Optical fiber
5 Jul 22
An optical fiber includes a core with radius r1, a first clad layer with outermost radius r2 adjacent to the core at radial position r1 and covering the outer periphery of the core, a second clad layer with outermost radius r3 adjacent to the first clad layer at radial position r2 and covering the outer periphery of the first clad layer, and a third clad layer adjacent to the second clad layer at radial position r3 and covering the outer periphery of the second clad layer.
Hiroki Kojima, Dai Inoue
Filed: 13 Apr 21
Utility
Method for producing cellulose ether
21 Jun 22
A method for producing a cellulose ether having a high viscosity while keeping the same degree of polymerization as that in the production of a shaped pulp without changing a raw material or production facility.
Shintaro Matsusue, Akira Kitamura, Mitsuhiro Yoshida, Mitsuo Narita
Filed: 13 Mar 18
Utility
Outer blade cutting wheel and making method
21 Jun 22
In an outer blade cutting wheel comprising an annular thin disc base of cemented carbide having an outer diameter of 80-200 mm, an inner diameter of 30-80 mm, and a thickness of 0.1-1.0 mm, and a blade section disposed on an outer periphery of the base, the blade section comprises diamond grains and/or CBN grains bound with a metal bond having a Young's modulus of 0.7-4.0×1011 Pa and has a thickness which is greater than the thickness of the base by at least 0.01 mm.
Masaki Kasashima, Takehisa Minowa, Takaharu Yamaguchi, Koji Sato
Filed: 27 Mar 14