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Yoshiyuki Totani
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compound, resin, polycarbonate resin, and optical molded article
Patent number
12,240,945
Issue date
Mar 4, 2025
Mitsui Chemicals, Inc.
Shintaro Maekawa
G02 - OPTICS
Information
Patent Grant
Compound, resin, polycarbonate resin, and optical molded article
Patent number
11,746,187
Issue date
Sep 5, 2023
Mitsui Chemicals, Inc.
Shintaro Maekawa
G02 - OPTICS
Information
Patent Grant
Polycarbonate resin lens and polycarbonate resin composition
Patent number
11,630,241
Issue date
Apr 18, 2023
Mitsui Chemicals, Inc.
Yoshiyuki Totani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for identifying drug-discovery target protein for developmen...
Patent number
11,442,066
Issue date
Sep 13, 2022
Mitsui Chemicals, Inc.
Tsuneji Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivative and organic electroluminescent device usi...
Patent number
9,139,522
Issue date
Sep 22, 2015
Mitsui Chemicals, Inc.
Nobuhiro Yabunouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivative and organic electroluminescent element us...
Patent number
8,980,442
Issue date
Mar 17, 2015
Mitsui Chemicals, Inc.
Nobuhiro Yabunouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic transistor
Patent number
8,294,144
Issue date
Oct 23, 2012
Yamamoto Chemicals, Inc.
Takahiro Fujiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrocarbon compounds, materials for organic electroluminescent ele...
Patent number
7,166,240
Issue date
Jan 23, 2007
Mitsui Chemicals, Inc.
Tsutomu Ishida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hydrocarbon compounds, materials for organic electroluminescent ele...
Patent number
6,929,870
Issue date
Aug 16, 2005
Mitsui Chemicals, Inc.
Tsutomu Ishida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Acetylene compound, liquid crystal composition and liquid crystal e...
Patent number
6,217,793
Issue date
Apr 17, 2001
Mitsui Chemicals, Inc.
Yoshiyuki Totani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Naphthalene compound, and liquid crystal composition and liquid cry...
Patent number
5,861,108
Issue date
Jan 19, 1999
Mitsui Chemicals, Inc.
Tsutomu Ishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidine compound and liquid crystal composition and liquid cryst...
Patent number
5,770,108
Issue date
Jun 23, 1998
Mitsui Toatsu Chemicals, Inc.
Yoshiyuki Totani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing an aromatic polycarbonate
Patent number
5,426,170
Issue date
Jun 20, 1995
Mitsui Toatsu Chemicals, Inc.
Motokazu Hirao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic polycarbonate and process for production thereof
Patent number
5,380,814
Issue date
Jan 10, 1995
Mitsui Toatsu Chemicals, Inc.
Yoshiyuki Totani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for producing aromatic polycarbonate oligomer and aromati...
Patent number
5,359,117
Issue date
Oct 25, 1994
Mitsui Toatsu Chemicals, Inc.
Yoshiyuki Totani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing granules of polycarbonate and composition the...
Patent number
5,196,507
Issue date
Mar 23, 1993
Mitsui Toatsu Chemicals, Inc.
Yoshiyuki Totani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
RESIN COMPOSITION FOR FORMING OPTICAL COMPONENT, MOLDED PRODUCT, AN...
Publication number
20240352227
Publication date
Oct 24, 2024
MITSUI CHEMICALS, INC.
Yuki HASHIMOTO
G02 - OPTICS
Information
Patent Application
SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST,...
Publication number
20240067764
Publication date
Feb 29, 2024
Mitsui Chemicals, Inc.
Takashi KIMURA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST,...
Publication number
20240067763
Publication date
Feb 29, 2024
Mitsui Chemicals, Inc.
Takashi KIMURA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COMPOUND, RESIN, POLYCARBONATE RESIN, AND OPTICAL MOLDED ARTICLE
Publication number
20230348669
Publication date
Nov 2, 2023
Mitsui Chemicals, Inc.
Shintaro MAEKAWA
G02 - OPTICS
Information
Patent Application
COMPOUND, RESIN, POLYCARBONATE RESIN, AND OPTICAL MOLDED ARTICLE
Publication number
20230022186
Publication date
Jan 26, 2023
Mitsui Chemicals, Inc.
Shintaro MAEKAWA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
BENZOTRIAZOLE COMPOUND, LIGHT ABSORBER, AND RESIN COMPOSITION
Publication number
20220363650
Publication date
Nov 17, 2022
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYCARBONATE RESIN LENS AND POLYCARBONATE RESIN COMPOSITION
Publication number
20200200945
Publication date
Jun 25, 2020
Mitsui Chemicals, Inc.
Yoshiyuki TOTANI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR IDENTIFYING DRUG-DISCOVERY TARGET PROTEIN FOR DEVELOPMEN...
Publication number
20190383821
Publication date
Dec 19, 2019
Mitsui Chemicals, Inc.
Tsuneji SUZUKI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYLACTIC ACID-BASED RESIN, PROCESS FOR PRODUCING POLYLACTIC ACID-...
Publication number
20120095169
Publication date
Apr 19, 2012
Ryohei Ogawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT US...
Publication number
20120012832
Publication date
Jan 19, 2012
Mitsui Chemicals, Inc.
Nobuhiro Yabunouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USI...
Publication number
20110198581
Publication date
Aug 18, 2011
Mitsui Chemicals, Inc.
Nobuhiro Yabunouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC TRANSISTOR
Publication number
20110012098
Publication date
Jan 20, 2011
YAMAMOTO CHEMICALS, INC.
Takahiro Fujiyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Hydrocarbon compounds, materials for organic electroluminescent ele...
Publication number
20050074631
Publication date
Apr 7, 2005
Mitsui Chemicals, Inc.
Tsutomu Ishida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Hydrocarbon compound, material for organic electroluminescent eleme...
Publication number
20030087126
Publication date
May 8, 2003
Tsutomu Ishida
C07 - ORGANIC CHEMISTRY