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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Metal complex and method for producing the same, catalyst component...
Patent number
11,149,099
Issue date
Oct 19, 2021
The University of Tokyo
Kyoko Nozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metal complex and method for producing the same, catalyst component...
Patent number
11,117,984
Issue date
Sep 14, 2021
The University of Tokyo
Kyoko Nozaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Moldability modifier for polypropylene resin and polypropylene resi...
Patent number
7,064,160
Issue date
Jun 20, 2006
Japan Polychem Corporation
Yukihito Zanka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Component of catalyst for polymerizing olefin, catalyst for polymer...
Patent number
7,005,400
Issue date
Feb 28, 2006
Japan Polychem Corporation
Tadashi Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene polymers
Patent number
6,953,831
Issue date
Oct 11, 2005
Japan Polychem Corporation
Yoshiyuki Ishihama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition for heat-shrinkable polypropylene shrink label an...
Patent number
6,875,485
Issue date
Apr 5, 2005
Japan Polychem Corporation
Gen Kanai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene block copolymer and propylene resin composition
Patent number
6,825,280
Issue date
Nov 30, 2004
Japan Polychem Corporation
Yu Hayakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene polymer
Patent number
6,756,463
Issue date
Jun 29, 2004
Japan Polychem Corporation
Toshihiko Sugano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene resin composition excellent in moldability and physical p...
Patent number
6,730,728
Issue date
May 4, 2004
Japan Polychem Corporation
Masatoshi Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Component of catalyst for olefin polymerization
Patent number
6,677,411
Issue date
Jan 13, 2004
Japan Polychem Corporation
Hideshi Uchino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene resin composition and method for molding the same
Patent number
6,660,797
Issue date
Dec 9, 2003
Japan Polychem Corporation
Yoshihiro Banno
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous production method of propylene-based block copolymer
Patent number
6,646,044
Issue date
Nov 11, 2003
Japan Polychem Corporation
Fuminao Watanabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene/α-olefin copolymer and film made thereof
Patent number
6,632,911
Issue date
Oct 14, 2003
Japan Polychem Corporation
Kuninori Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene type resin composition, film made thereof, and laminated...
Patent number
6,624,253
Issue date
Sep 23, 2003
Japan Polychem Corporation
Yasunori Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene-based resin composition of excellent moldability and...
Patent number
6,608,130
Issue date
Aug 19, 2003
Japan Polychem Corporation
Yukihito Zanka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multi-layer film and medical bag using the same
Patent number
6,586,061
Issue date
Jul 1, 2003
Japan Polychem Corporation
Yoshihiko Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefin polymerization catalyst and method for polymerizing olefin u...
Patent number
6,531,552
Issue date
Mar 11, 2003
Japan Polychem Corporation
Hiroshi Nakano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Transition metal compound, catalyst component for olefin polymeriza...
Patent number
6,509,426
Issue date
Jan 21, 2003
Japan Polychem Corporation
Taku Kato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene block copolymer and resin composition
Patent number
6,469,100
Issue date
Oct 22, 2002
Japan Polychem Corporation
Toru Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tacky films
Patent number
6,410,648
Issue date
Jun 25, 2002
Japan Polychem Corporation
Yoshihiko Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-concentration talc masterbatch
Patent number
6,403,691
Issue date
Jun 11, 2002
Japan Polychem Corporation
Yukihito Zanka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefin polymerization catalyst and process for producing olefin pol...
Patent number
6,376,416
Issue date
Apr 23, 2002
Japan Polychem Corporation
Katsumi Hirakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing olefin polymer
Patent number
6,353,063
Issue date
Mar 5, 2002
Japan Polychem Corporation
Masafumi Shimizu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Laminates
Patent number
6,294,266
Issue date
Sep 25, 2001
Japan Polychem Corporation
Yoshinori Hashimoto
B32 - LAYERED PRODUCTS
Information
Patent Grant
Propylene resin sheet for thermoforming and process for preparing it
Patent number
6,251,510
Issue date
Jun 26, 2001
Japan Polychem Corporation
Yoshinobu Nagaoka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polypropylene molding material
Patent number
6,228,951
Issue date
May 8, 2001
Japan Polychem Corporation
Yoshifumi Hirota
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Transition metal compound, catalyst component for olefin polymeriza...
Patent number
6,218,558
Issue date
Apr 17, 2001
Japan Polychem Corporation
Taku Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermoplastic polypropylene composition
Patent number
6,180,709
Issue date
Jan 30, 2001
Japan Polychem Corporation
Takeyoshi Nishio
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polypropylene resin composition
Patent number
6,156,836
Issue date
Dec 5, 2000
Japan Polychem Corporation
Kunio Iwanami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Propylene resin composition and stretched film produced therefrom
Patent number
6,143,813
Issue date
Nov 7, 2000
Japan Polychem Corporation
Tadashi Sezume
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patents Applications
last 30 patents
Information
Patent Application
POLAR GROUP-CONTAINING OLEFIN COPOLYMER, AND PRODUCTION METHOD THER...
Publication number
20240343846
Publication date
Oct 17, 2024
THE UNIVERSITY OF TOKYO
Kyoko NOZAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERIZATION CATALYST FOR OLEFIN POLYMER
Publication number
20240253020
Publication date
Aug 1, 2024
JAPAN POLYCHEM CORPORATION
Yusuke MITSUSHIGE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLAR GROUP-CONTAINING OLEFIN COPOLYMER
Publication number
20220220239
Publication date
Jul 14, 2022
THE UNIVERSITY OF TOKYO
Kyoko NOZAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL COMPLEX AND METHOD FOR PRODUCING THE SAME, CATALYST COMPONENT...
Publication number
20190263945
Publication date
Aug 29, 2019
THE UNIVERSITY OF TOKYO
Kyoko NOZAKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Plymerization catalyst for a-olefins and process for production of...
Publication number
20060068984
Publication date
Mar 30, 2006
JAPAN POLYCHEM CORPORATION
Toshihiko Sugano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Propylene polymer
Publication number
20030216527
Publication date
Nov 20, 2003
JAPAN POLYCHEM CORPORATION
Toshihiko Sugano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Component of catalyst for polymerizing olefin, catalyst for polymer...
Publication number
20030054952
Publication date
Mar 20, 2003
JAPAN POLYCHEM CORPORATION
Tadashi Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition for heat shrinkable polypropylene shrink label an...
Publication number
20020064611
Publication date
May 30, 2002
JAPAN POLYCHEM CORPORATION
Gen Kanai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Propylene type resin composition, film made thereof, and laminated...
Publication number
20020041972
Publication date
Apr 11, 2002
Japan Polychem Corporation
Yasunori Nakamura
B32 - LAYERED PRODUCTS
Information
Patent Application
Olefin polymerization catalyst and method for polymerizing olefin u...
Publication number
20020004447
Publication date
Jan 10, 2002
JAPAN POLYCHEM CORPORATION
Hiroshi Nakano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Novel transition metal compound, catalyst component for olefin poly...
Publication number
20010023296
Publication date
Sep 20, 2001
JAPAN POLYCHEM CORPORATION
Taku Kato
C07 - ORGANIC CHEMISTRY
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Trademark
last 30 trademarks
Information
Trademark
75402487 - WINTEC
Serial number
75402487
Registration number
2218796
Filing date
Dec 9, 1997
Japan Polychem Corporation
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
75402770 - SCOPEN
Serial number
75402770
Registration number
2231934
Filing date
Dec 9, 1997
Japan Polychem Corporation
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry