Membership
Tour
Register
Log in
Masaru Kawaguchi
Follow
Person
Omuta, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Injection molding apparatus, injection molding method and productio...
Patent number
12,064,908
Issue date
Aug 20, 2024
Mitsui Chemicals, Inc.
Masaru Kawaguchi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polythiol composition, polymerizable composition, resin, molded bod...
Patent number
11,827,736
Issue date
Nov 28, 2023
Mitsui Chemicals, Inc.
Shotaro Nakano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Xylylene diisocyanate composition, polymerizable composition for op...
Patent number
11,753,367
Issue date
Sep 12, 2023
Mitsui Chemicals, Inc.
Masayuki Takaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material and molded product
Patent number
11,248,077
Issue date
Feb 15, 2022
Mitsui Chemicals, Inc.
Shinichiro Kadowaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material, optical material ob...
Patent number
10,921,489
Issue date
Feb 16, 2021
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polythiol composition, polymerizable composition for optical materi...
Patent number
10,858,472
Issue date
Dec 8, 2020
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polythiol composition, polymerizable composition for optical materi...
Patent number
10,858,473
Issue date
Dec 8, 2020
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing (poly)sulfide compound and process for produc...
Patent number
10,844,010
Issue date
Nov 24, 2020
Mitsui Chemicals, Inc.
Koichi Tokunaga
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing episulfide compound for optical material, epi...
Patent number
10,266,636
Issue date
Apr 23, 2019
Mitsui Chemicals, Inc.
Hidetaka Tsukada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polythiol composition, polymerizable composition for optical materi...
Patent number
9,777,103
Issue date
Oct 3, 2017
Mitsui Chemicals, Inc.
Masaru Kawaguchi
G02 - OPTICS
Information
Patent Grant
Method for producing polythiol compound, polymerizable composition...
Patent number
9,637,584
Issue date
May 2, 2017
Mitsui Chemicals, Inc.
Masaru Kawaguchi
G02 - OPTICS
Information
Patent Grant
Method for producing polythiol compound, polymerizable composition...
Patent number
9,605,105
Issue date
Mar 28, 2017
Mitsui Chemicals, Inc.
Masaru Kawaguchi
G02 - OPTICS
Information
Patent Grant
Method for producing polythiol compound, polymerizable composition...
Patent number
9,181,180
Issue date
Nov 10, 2015
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing polythiol compound, polymerizable composition...
Patent number
9,181,179
Issue date
Nov 10, 2015
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable composition for optical material, optical material, a...
Patent number
8,434,866
Issue date
May 7, 2013
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamine derivative and polyol derivative
Patent number
8,354,529
Issue date
Jan 15, 2013
BASF SE
Naruyoshi Mita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyamine derivative and polyol derivative
Patent number
8,076,478
Issue date
Dec 13, 2011
BASF SE
Naruyoshi Mita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing resin for optical material
Patent number
8,044,165
Issue date
Oct 25, 2011
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic diamine and polyimide thereof
Patent number
6,933,411
Issue date
Aug 23, 2005
Mitsui Chemicals, Inc.
Naoshi Nagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aromatic diamine and polyimide thereof
Patent number
6,737,503
Issue date
May 18, 2004
Mitsui Chemicals, Inc.
Yoichi Kodama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDE...
Publication number
20240294695
Publication date
Sep 5, 2024
MITSUI CHEMICALS, INC.
Masayuki TAKAGUCHI
G02 - OPTICS
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ART...
Publication number
20240101753
Publication date
Mar 28, 2024
Mitsui Chemicals, Inc.
Shotaro NAKANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BOD...
Publication number
20240084105
Publication date
Mar 14, 2024
Mitsui Chemicals, Inc.
Shotaro NAKANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ART...
Publication number
20230365738
Publication date
Nov 16, 2023
Mitsui Chemicals, Inc.
Shotaro NAKANO
G02 - OPTICS
Information
Patent Application
XYLYLENE DIISOCYANATE COMPOSITION, XYLYLENE DIISOCYANATE MODIFIED C...
Publication number
20230340183
Publication date
Oct 26, 2023
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION FOR OP...
Publication number
20230202971
Publication date
Jun 29, 2023
Mitsui Chemicals, Inc.
Masayuki TAKAGUCHI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
XYLYLENE DIISOCYANATE-CONTAINING CONTAINER, METHOD FOR STORING XYLY...
Publication number
20230166883
Publication date
Jun 1, 2023
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED BOD...
Publication number
20220403092
Publication date
Dec 22, 2022
Mitsui Chemicals, Inc.
Shotaro NAKANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
Publication number
20220289945
Publication date
Sep 15, 2022
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INJECTION MOLDING APPARATUS, INJECTION MOLDING METHOD AND PRODUCTIO...
Publication number
20220219361
Publication date
Jul 14, 2022
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD OF PRODUCING OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION...
Publication number
20220153963
Publication date
May 19, 2022
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND MOLDED PRODUCT
Publication number
20210171682
Publication date
Jun 10, 2021
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND MOLDED PRODUCT
Publication number
20210054126
Publication date
Feb 25, 2021
Mitsui Chemicals, Inc.
Shinichiro Kadowaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, AND MOLDED PRODUCT
Publication number
20200148856
Publication date
May 14, 2020
Mitsui Chemicals, Inc.
Yuuki KASORI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PHOTOCHROMIC LENS AND POLYMERIZABLE COMPOSITION
Publication number
20190211258
Publication date
Jul 11, 2019
Mitsui Chemicals, Inc.
Nobuo Kawato
B32 - LAYERED PRODUCTS
Information
Patent Application
PROCESS FOR PRODUCING (POLY)SULFIDE COMPOUND AND PROCESS FOR PRODUC...
Publication number
20190077751
Publication date
Mar 14, 2019
Mitsui Chemicals, Inc.
Koichi Tokunaga
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20180341043
Publication date
Nov 29, 2018
Mitsui Chemicals, Inc.
Masaru KAWAGUCHI
G02 - OPTICS
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERI...
Publication number
20180334528
Publication date
Nov 22, 2018
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERI...
Publication number
20180334527
Publication date
Nov 22, 2018
Mitsui Chemicals, Inc.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERI...
Publication number
20170349692
Publication date
Dec 7, 2017
Mitsui Chemicals, Inc.
Masaru Kawaguchi
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING EPISULFIDE COMPOUND FOR OPTICAL MATERIAL, EPI...
Publication number
20170015777
Publication date
Jan 19, 2017
Mitsui Chemicals, Inc.
Hidetaka TSUKADA
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL MATERIAL
Publication number
20170015776
Publication date
Jan 19, 2017
Mitsui Chemicals, Inc.
Hidetaka TSUKADA
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING POLYTHIOL COMPOUND, POLYMERIZABLE COMPOSITION...
Publication number
20160024242
Publication date
Jan 28, 2016
MITSUI CHEMICALS , INC
Masaru KAWAGUCHI
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING POLYTHIOL COMPOUND, POLYMERIZABLE COMPOSITION...
Publication number
20160017085
Publication date
Jan 21, 2016
MITSUI CHEMICALS , INC
Masaru KAWAGUCHI
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING POLYTHIOL COMPOUND, POLYMERIZABLE COMPOSITION...
Publication number
20150133692
Publication date
May 14, 2015
MITSUI CHEMICALS, INC.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING POLYTHIOL COMPOUND, POLYMERIZABLE COMPOSITION...
Publication number
20150126781
Publication date
May 7, 2015
MITSUI CHEMICALS, INC.
Masaru Kawaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERI...
Publication number
20150094443
Publication date
Apr 2, 2015
Mitsui Chemicals, Inc.
Masaru Kawaguchi
G02 - OPTICS
Information
Patent Application
POLYAMINE DERIVATIVE AND POLYOL DERIVATIVE
Publication number
20120053270
Publication date
Mar 1, 2012
NARUYOSHI MITA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for Producing Polythiol Compound for Optical Materials, and...
Publication number
20110176220
Publication date
Jul 21, 2011
MITSUI CHEMICALS, INC.
Shigetoshi KUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...