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Nobuo KAWATO
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Kurume-shi, Fukuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing polymerizable composition for optical materials
Patent number
11,866,648
Issue date
Jan 9, 2024
Mitsui Chemicals, Inc.
Yuuki Kasori
G02 - OPTICS
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
Polymerizable composition for optical material and use thereof
Patent number
10,344,116
Issue date
Jul 9, 2019
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material and use thereof
Patent number
10,308,756
Issue date
Jun 4, 2019
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition, molded product, and use thereof
Patent number
10,202,483
Issue date
Feb 12, 2019
Mitsui Chemicals, Inc.
Naoki Shinohara
G02 - OPTICS
Information
Patent Grant
Polymerizable composition for optical material, optical material ob...
Patent number
10,131,767
Issue date
Nov 20, 2018
Mitsui Chemicals, Inc.
Shinsuke Ito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material
Patent number
9,678,246
Issue date
Jun 13, 2017
Mitsui Chemicals, Inc.
Nobuo Kawato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymerizable composition
Patent number
9,482,787
Issue date
Nov 1, 2016
Mitsui Chemicals, Inc.
Nobuo Kawato
G02 - OPTICS
Information
Patent Grant
Process for producing polyurethane resin
Patent number
9,464,154
Issue date
Oct 11, 2016
Mitsui Chemicals, Inc.
Nobuo Kawato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymerizable composition for polythiourethane optical material
Patent number
9,290,656
Issue date
Mar 22, 2016
Mitsui Chemicals, Inc.
Hidetoshi Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Polymerization catalyst for polythiourethane optical material, poly...
Patent number
8,586,695
Issue date
Nov 19, 2013
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerization catalyst for polythiourethane-based optical material...
Patent number
8,586,694
Issue date
Nov 19, 2013
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing internal mold release agent for optical mater...
Patent number
8,461,238
Issue date
Jun 11, 2013
Mitsui Chemicals, Inc.
Nobuo Kawato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Internal mold release agent for production of polythiourethane opti...
Patent number
8,022,163
Issue date
Sep 20, 2011
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thioepoxy based polymerizable composition and method for production...
Patent number
7,354,989
Issue date
Apr 8, 2008
Mitsui Chemicals, Inc.
Hiroyuki Morijiri
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition and process for producing optical resin c...
Patent number
6,365,707
Issue date
Apr 2, 2002
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND PHOTOCHROMIC LENS
Publication number
20230228927
Publication date
Jul 20, 2023
Mitsui Chemicals, Inc.
Shinichiro KADOWAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICAL MATERIAL
Publication number
20220252771
Publication date
Aug 11, 2022
Mitsui Chemicals, Inc.
Nobuo KAWATO
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS
Publication number
20220098473
Publication date
Mar 31, 2022
Mitsui Chemicals, Inc.
Yuuki KASORI
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
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20190048122
Publication date
Feb 14, 2019
Mitsui Chemicals, Inc.
Yuuki KASORI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
MOLDED PRODUCT AND POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL
Publication number
20180258212
Publication date
Sep 13, 2018
Mitsui Chemicals, Inc.
Shinichiro KADOWAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION, MOLDED PRODUCT, AND USE THEREOF
Publication number
20170226267
Publication date
Aug 10, 2017
Mitsui Chemicals, Inc.
Naoki SHINOHARA
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND USE THEREOF
Publication number
20170204217
Publication date
Jul 20, 2017
Mitsui Chemicals, Inc.
Nobuo KAWATO
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND USE THEREOF
Publication number
20170129989
Publication date
May 11, 2017
MITSUI CHEMICALS, INC.
Nobuo KAWATO
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20160272784
Publication date
Sep 22, 2016
Mitsui Chemicals, Inc.
Shinsuke ITO
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING POLYURETHANE RESIN
Publication number
20150315327
Publication date
Nov 5, 2015
Mitsui Chemicals, Inc.
Nobuo KAWATO
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL
Publication number
20150293265
Publication date
Oct 15, 2015
Mitsui Chemicals, Inc.
Nobuo Kawato
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION
Publication number
20140107314
Publication date
Apr 17, 2014
Mitsui Chemicals, Inc.
Nobuo Kawato
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING INTERNAL MOLD RELEASE AGENT FOR OPTICAL MATER...
Publication number
20120225996
Publication date
Sep 6, 2012
MITSUI CHEMICALS, INC.
Nobuo Kawato
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR POLYTHIOURETHANE OPTICAL MATERIAL
Publication number
20110190466
Publication date
Aug 4, 2011
Hidetoshi Hayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
Publication number
20110065884
Publication date
Mar 17, 2011
MITSUI CHEMICALS, INC.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTI...
Publication number
20100234498
Publication date
Sep 16, 2010
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
Publication number
20100029890
Publication date
Feb 4, 2010
Mitsui Chemicals, Inc.
Nobuo Kawato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE-BASED OPTICAL MATERIAL...
Publication number
20100016517
Publication date
Jan 21, 2010
MITSUI CHEMICALS, INC.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thioepoxy based polymerizable composition and method for production...
Publication number
20050124783
Publication date
Jun 9, 2005
Mitsui Chemicals, Inc.
Hiroyuki Morijiri
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...