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Takafumi AKIMOTO
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Chiba-shi, Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin com...
Patent number
11,697,708
Issue date
Jul 11, 2023
Idemitsu Kosan Co., Ltd.
Yasuhiro Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate-polyorganosiloxane copolymer, flame-retardant polycar...
Patent number
11,155,712
Issue date
Oct 26, 2021
Idemitsu Kosan Co., Ltd.
Yasuhiro Ishikawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polycarbonate-polyorganosiloxane copolymer, polycarbonate resin com...
Patent number
11,111,386
Issue date
Sep 7, 2021
Idemitsu Kosan Co., Ltd.
Yasuhiro Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate-polyorganosiloxane copolymer, flame-retardant polycar...
Patent number
11,091,637
Issue date
Aug 17, 2021
Idemitsu Kosan Co., Ltd.
Yasuhiro Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLYCARBONATE/POLYORGANOSILOXANE COPOLYMER AND RESIN COMPOSITION IN...
Publication number
20230046996
Publication date
Feb 16, 2023
Idemitsu Kosan Co.,Ltd
Minoru YABUKAMI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER, POLYCARBONATE RESIN COM...
Publication number
20200010681
Publication date
Jan 9, 2020
Idemitsu Kosan Co., Ltd.
Yasuhiro ISHIKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER, POLYCARBONATE RESIN COM...
Publication number
20200010615
Publication date
Jan 9, 2020
Idemitsu Kosan Co., Ltd.
Yasuhiro ISHIKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER, FLAME-RETARDANT POLYCAR...
Publication number
20200010683
Publication date
Jan 9, 2020
Idemitsu Kosan Co., Ltd.
Yasuhiro ISHIKAWA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER, POLYCARBONATE RESIN COM...
Publication number
20200010614
Publication date
Jan 9, 2020
Idemitsu Kosan Co., Ltd.
Yasuhiro ISHIKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...