Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255425 | Syndiotactic polypropylene copolymer and extruded polypropylene articles | Tadashi Asanuma, Tetsunosuke Shiomura, Nobutaka Uchikawa, Tateyo Sasaki, Osamu Uchida +2 more | 2001-07-03 |
| 6121394 | Metallocene-catalyzed olefin polymerization in the absence of aluminoxane | Ryuichi Sugimoto, Tadashi Asanuma, Katsumi Takeuchi, Osamu Uchida | 2000-09-19 |
| 5573840 | Polymeric insulating material and formed article making use of the material | Takeo Inoue, Shigeru Kimura, Takayuki Yamada, Yukio Ishii, Ryuichi Sugimoto | 1996-11-12 |
| 5476709 | Polymeric insulating material and formed article making use of the material | Takeo Inoue, Shigeru Kimura, Takayuki Yamada, Yukio Ishii, Ryuichi Sugimoto | 1995-12-19 |
| 5428127 | Preparation process of syndiotactic polyproplene | Tadashi Asanuma, Tetsunosuke Shiomura, Nobutaka Uchikawa, Tateyo Sasaki, Norihide Inoue +1 more | 1995-06-27 |
| 5314956 | Polypropylene resin compositions of high syndiotacticity and preparation process thereof | Tadashi Asanuma, Tetsunosuke Shiomura, Nobutaka Uchikawa, Katsumi Takeuchi | 1994-05-24 |
| 5266641 | Butene-1 copolymers and resin compositions containing the same | Tadashi Asanuma, Tetsunosuke Shiomura, Tateyo Sasaki, Nobutaka Uchikawa, Kouji Kitabayashi | 1993-11-30 |
| 5219968 | Propylene copolymer | Tetsunosuke Shiomura, Tadashi Asanuma, Masashiro Kouno, Norihide Inoue, Satoshi Fukushima +3 more | 1993-06-15 |
| 5212247 | Polypropylene resin compositions of high syndiotacticity and preparation process thereof | Tadashi Asanuma, Tetsunosuke Shiomura, Nobutaka Uchikawa, Katsumi Takeuchi | 1993-05-18 |
| 5206324 | Butene-1 copolymer and resin composition containing the same | Tadashi Asanuma, Tetsunosuke Shiomura, Tateyo Sasaki, Nobutaka Uchikawa, Kouji Kitabayashi | 1993-04-27 |
| 5175208 | Method for preparing block copolymers of propylene | Tadashi Asanuma, Mitsuru Ito, Kaoru Kawanishi, Nobutaka Uchikawa, Shigeru Kimura +1 more | 1992-12-29 |
| 5169924 | Copolymer of propylene and butene-1 | Tadashi Asanuma, Tetsunosuke Shiomura, Tateyo Sasaki, Nobutaka Uchikawa | 1992-12-08 |
| 5157092 | Polymer of 4-methylpentene-1 | Tadashi Asanuma, Tetsunosuke Shiomura, Nobutaka Uchikawa, Yukari Tamai, Tateyo Sasaki | 1992-10-20 |