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Noriyuki Kunishi
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Ichiharashi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polycarbonate resin powder and method for transporting same
Patent number
10,640,306
Issue date
May 5, 2020
Idemitsu Kosan Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Branched polycarbonate production method
Patent number
10,030,101
Issue date
Jul 24, 2018
Idemitsu Kosan Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polycarbonate
Patent number
7,517,944
Issue date
Apr 14, 2009
Idemitsu Kosan Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and apparatus for washing polycarbonate/organic solvent solu...
Patent number
6,605,221
Issue date
Aug 12, 2003
Idemitsu Petrochemical Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polycarbonates
Patent number
5,990,262
Issue date
Nov 23, 1999
Idemitsu Petrochemical Co., Ltd.
Akihiro Shishikura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing granular polycarbonate prepolymer for solid-st...
Patent number
5,981,051
Issue date
Nov 9, 1999
Idemitsu Petrochemical Co., Ltd.
Hiroaki Motegi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing polycarbonate
Patent number
5,922,826
Issue date
Jul 13, 1999
Idemitsu Kosan Co., Ltd.
Shigeki Kuze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of polymer particles
Patent number
5,726,223
Issue date
Mar 10, 1998
Idemitsu Petrochemical Co., Ltd.
Masaya Okamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for production of polymer particles
Patent number
5,583,166
Issue date
Dec 10, 1996
Idemitsu Petrochemical Co., Ltd.
Masaya Okamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymer granules containing little residual solvent
Patent number
5,504,187
Issue date
Apr 2, 1996
Idemitsu Petrochemical Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polycarbonate powder
Patent number
5,475,084
Issue date
Dec 12, 1995
Idemitsu Petrochemical Co., Ltd.
Masaya Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Anisotropically oriented phase difference compensation film of a br...
Patent number
5,470,937
Issue date
Nov 28, 1995
Idemitsu Petrochemical Co., Ltd.
Masaya Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate and process for producing the same
Patent number
5,349,043
Issue date
Sep 20, 1994
Idemitsu Petrochemical Co., Ltd.
Shigeki Kuze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a polycarbonate in inert solvent
Patent number
5,322,919
Issue date
Jun 21, 1994
Idemitsu Petrochemical Co., Ltd.
Kouichi Kurosawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate copolymer and method for production thereof
Patent number
5,306,802
Issue date
Apr 26, 1994
Idemitsu Petrochemical Co., Ltd.
Ryozo Okumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process and apparatus for heat treatment of polymer containing liquid
Patent number
5,087,660
Issue date
Feb 11, 1992
Idemitsu Petrochemical Co., Ltd.
Noriyuki Kunishi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multistage process for producing polycarbonate from oligomer
Patent number
4,959,456
Issue date
Sep 25, 1990
Idemitsu Petrochemical Co., Ltd.
Takashi Ashida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYCARBONATE RESIN POWDER AND METHOD FOR TRANSPORTING SAME
Publication number
20180162658
Publication date
Jun 14, 2018
Idemitsu Kosan Co., Ltd.
Noriyuki KUNISHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER PRODUCTION METHOD
Publication number
20170327639
Publication date
Nov 16, 2017
Idemitsu Kosan Co., Ltd.
Kenji SASAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE RESIN POWDER AND METHOD FOR TRANSPORTING SAME
Publication number
20170320680
Publication date
Nov 9, 2017
Idemitsu Kosan Co., Ltd.
Noriyuki KUNISHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
BRANCHED POLYCARBONATE PRODUCTION METHOD
Publication number
20170313817
Publication date
Nov 2, 2017
Idemitsu Kosan Co., Ltd.
Noriyuki KUNISHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for Producing Polycarbonate
Publication number
20080242828
Publication date
Oct 2, 2008
Idemitsu Kosan Co., Ltd.
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method and apparatus for washing polycarbonate/organic solvent solu...
Publication number
20020175122
Publication date
Nov 28, 2002
Noriyuki Kunishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...