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Patents Grants
last 30 patents
Information
Patent Grant
Polymerizable composition for optical material, method for manufact...
Patent number
11,279,791
Issue date
Mar 22, 2022
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymerizable composition for optical material, optical material ob...
Patent number
11,180,602
Issue date
Nov 23, 2021
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic polarized lens and method of producing the same
Patent number
10,663,622
Issue date
May 26, 2020
Mitsui Chemicals, Inc.
Akinori Ryu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymerizable composition for optical material, optical material ob...
Patent number
10,563,003
Issue date
Feb 18, 2020
Mitsui Chemicals, Inc.
Akinori Ryu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic polarized lens and method of producing the same
Patent number
10,274,643
Issue date
Apr 30, 2019
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Polymerizable composition for photochromic optical materials
Patent number
9,845,373
Issue date
Dec 19, 2017
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Polymerizable composition for optical material, optical material ob...
Patent number
9,778,396
Issue date
Oct 3, 2017
Mitsui Chemicals, Inc.
Akinori Ryu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymerizable composition, optical material, and manufacturing meth...
Patent number
9,778,397
Issue date
Oct 3, 2017
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Process for producing photochromic optical material
Patent number
9,605,103
Issue date
Mar 28, 2017
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Composition for optical material and use of same
Patent number
9,529,118
Issue date
Dec 27, 2016
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Polymerizable composition for optical material, optical material an...
Patent number
9,505,872
Issue date
Nov 29, 2016
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Plastic polarized lens, method for producing the same, and polarize...
Patent number
9,086,531
Issue date
Jul 21, 2015
Mitsui Chemicals, Inc.
Akinori Ryu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymerizable composition for optical material, optical material, a...
Patent number
9,000,119
Issue date
Apr 7, 2015
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polythiourethane polymerizable composition and method for producing...
Patent number
8,455,610
Issue date
Jun 4, 2013
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Polythiourethane-based polymerizable composition and optical resin...
Patent number
8,304,506
Issue date
Nov 6, 2012
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polythiourethane polymerizable composition and method for producing...
Patent number
8,222,366
Issue date
Jul 17, 2012
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic polarized lens and method of producing the same
Patent number
8,187,712
Issue date
May 29, 2012
Mitsui Chemicals, Inc.
Akinori Ryu
G02 - OPTICS
Information
Patent Grant
Polyurethane/thiourethane-based optical resin and process for produ...
Patent number
7,932,327
Issue date
Apr 26, 2011
Mitsui Chemicals, Inc.
Osamu Kohgo
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
Patent number
6,458,917
Issue date
Oct 1, 2002
Mitsui Chemicals, Inc.
Hiroyuki Morijiri
C07 - ORGANIC CHEMISTRY
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-...
Information
Patent Grant
Polymerizable composition
Patent number
6,300,464
Issue date
Oct 9, 2001
Mitsui Chemical, Inc.
Hiroyuki Morijiri
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable composition
Patent number
6,204,311
Issue date
Mar 20, 2001
Mitsui Chemicals, Inc.
Hiroyuki Morijiri
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bisimide compounds, polyimide resin composition prepared therefrom,...
Patent number
5,554,765
Issue date
Sep 10, 1996
Mitsui Toatsu Chemicals, Inc.
Masahiro Ohta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bisimide compounds, polyimide resin composition prepared therefrom,...
Patent number
5,457,154
Issue date
Oct 10, 1995
Mitsui Toatsu Chemicals, Inc.
Masahiro Ohta
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
ISO(THIO)CYANATE COMPOUND, POLYMERIZABLE COMPOSITION FOR OPTICAL MA...
Publication number
20230365737
Publication date
Nov 16, 2023
Mitsui Chemicals, Inc.
Takayuki HANAWA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, METHOD FOR MANUFACT...
Publication number
20210009746
Publication date
Jan 14, 2021
Mitsui Chemicals, Inc.
Akinori RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20200140598
Publication date
May 7, 2020
Mitsui Chemicals, Inc.
Akinori Ryu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PLASTIC POLARIZED LENS AND METHOD OF PRODUCING THE SAME
Publication number
20190170905
Publication date
Jun 6, 2019
Mitsui Chemicals, Inc.
Akinori RYU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20190127508
Publication date
May 2, 2019
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...
Publication number
20170044299
Publication date
Feb 16, 2017
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING PHOTOCHROMIC OPTICAL MATERIAL
Publication number
20160194429
Publication date
Jul 7, 2016
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR PHOTOCHROMIC OPTICAL MATERIALS
Publication number
20160170107
Publication date
Jun 16, 2016
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION, OPTICAL MATERIAL, AND MANUFACTURING METH...
Publication number
20150331147
Publication date
Nov 19, 2015
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
COMPOSITION FOR OPTICAL MATERIAL AND USE OF SAME
Publication number
20150301227
Publication date
Oct 22, 2015
Mitsui Chemicals, Inc.
Akinori RYU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PLASTIC POLARIZED LENS AND METHOD OF PRODUCING THE SAME
Publication number
20150276986
Publication date
Oct 1, 2015
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OB...
Publication number
20150177416
Publication date
Jun 25, 2015
MITSUI CHEMICALS, INC.
Akinori Ryu
G02 - OPTICS
Information
Patent Application
PLASTIC POLARIZED LENS AND METHOD OF PRODUCING THE SAME
Publication number
20130242393
Publication date
Sep 19, 2013
Mitsui Chemicals, Inc.
Akinori RYU
G02 - OPTICS
Information
Patent Application
PLASTIC POLARIZED LENS, METHOD FOR PRODUCING THE SAME, AND POLARIZE...
Publication number
20130155507
Publication date
Jun 20, 2013
Mitsui Chemicals, Inc.
Akinori Ryu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYTHIOURETHANE POLYMERIZABLE COMPOSITION AND METHOD FOR PRODUCING...
Publication number
20120277395
Publication date
Nov 1, 2012
Mitsui Chemicals, Inc.
Akinori RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
Publication number
20110269914
Publication date
Nov 3, 2011
MITSUI CHEMICALS, INC.
Akinori RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL A...
Publication number
20110224371
Publication date
Sep 15, 2011
Mitsui Chemicals, Inc.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
Publication number
20110034660
Publication date
Feb 10, 2011
Mitsui Chemicals, Inc.
Akinori RYU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...
Publication number
20100292430
Publication date
Nov 18, 2010
MITSUI CHEMICALS, INC.
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
Publication number
20100075154
Publication date
Mar 25, 2010
MITSUI CHEMICALS, INC.
Hidetoshi HAYASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyurethane/thiourethane-based optical resin and process for produ...
Publication number
20090227745
Publication date
Sep 10, 2009
MITSUI CHEMICALS, INC.
Osamu Kohgo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PLASTIC POLARIZED LENS AND METHOD OF PRODUCING THE SAME
Publication number
20090201584
Publication date
Aug 13, 2009
MITSUI CHEMICALS, INC.
Akinori RYU
G02 - OPTICS
Information
Patent Application
Polythiourethane-based polymerizable composition and optical resin...
Publication number
20090099329
Publication date
Apr 16, 2009
Akinori Ryu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polythiourethane Polymerizable Composition and Method for Producing...
Publication number
20090030170
Publication date
Jan 29, 2009
Mitsui Chemicals , Inc.
Akinori Ryu
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-...
Information
Patent Application
Polymerizable composition
Publication number
20020019511
Publication date
Feb 14, 2002
Hiroyuki Morijiri
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymerizable composition
Publication number
20010002413
Publication date
May 31, 2001
Hiroyuki Morijiri
C07 - ORGANIC CHEMISTRY