Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278470 | Method for producing trialkyl gallium | Atau Ioku, Takatoshi Mori, Hikari Mitsui | 2012-10-02 |
| 7667063 | Method for producing trialkyl gallium | Atau Ioku, Takatoshi Mori, Hikari Mitsui | 2010-02-23 |
| 6323298 | Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production | Kazuyuki Watanabe, Satoshi Iwamoto, Hirotoshi Takahashi, Kazuharu Itoh | 2001-11-27 |
| 6184328 | Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production | Kazuyuki Watanabe, Satoshi Iwamoto, Hirotoshi Takahashi, Kazuharu Itoh | 2001-02-06 |
| 5916990 | Propylene-based polymer, method of its production, composition thereof, catalyst component for polymerization, and method for its production | Kazuyuki Watanabe, Satoshi Iwamoto, Hirotoshi Takahashi, Kazuharu Itoh | 1999-06-29 |
| 5885920 | Process for producing catalyst carrier for olefin polymerization | Hirotoshi Takahashi, Yasushi Kuroda, Shinya WAKI, Koichi Sekiya | 1999-03-23 |
| 5804665 | Propylene block copolymer and process for producing the same | Kazuyuki Watanabe | 1998-09-08 |
| 5760141 | Propylene block copolymer, process for preparation thereof and propylene resin composition comprising same | Kazuyuki Watanabe | 1998-06-02 |
| 5703172 | Propylene block copolymer and process for producing the same | Kazuyuki Watanabe, Shimako Matsumoto | 1997-12-30 |
| 5684099 | Propylene block copolymer, process for producing the same, and resin composition comprising the same | Kazuyuki Watanabe, Ryuji Sakaguchi | 1997-11-04 |
| 5208302 | Catalyst, process for preparation of same and process for polymerization of olefins using same | Tetuo Nakajo, Masaki Fushimi, Shigenobu Miyake, Hideki Sakurai | 1993-05-04 |
| 5049533 | Catalyst, process for preparation of same, and process for polymerization of olefins using same | Tetuo Nakajo, Masaki Fushimi, Shigenobu Miyake, Hideki Sakurai | 1991-09-17 |