Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255425 | Syndiotactic polypropylene copolymer and extruded polypropylene articles | Tetsunosuke Shiomura, Nobutaka Uchikawa, Tateyo Sasaki, Osamu Uchida, Tutomu Iwatani +2 more | 2001-07-03 |
| 6197894 | Preparation of hydrogenated product of cyclic olefin ring-opening metathesis polymer | Tadahiro Sunaga, Masumi Okita | 2001-03-06 |
| 6121394 | Metallocene-catalyzed olefin polymerization in the absence of aluminoxane | Ryuichi Sugimoto, Tutomu Iwatani, Katsumi Takeuchi, Osamu Uchida | 2000-09-19 |
| 6063725 | Olefin polymerization catalyst system | Tadahiro Sunaga, Yukio Ishii | 2000-05-16 |
| 5952426 | Method for preparing molded articles of cross-linked polyolefin | Kazuhiko Yamamoto, Kaoru Kawanishi | 1999-09-14 |
| 5888636 | Multi-layer blow molded article of polypropylene | Shigeru Kimura, Tamio Kawasumi, Shunji Ueda, Masami Hashimoto | 1999-03-30 |
| 5840389 | Transparent impact-resistant molded articles | Tateyo Sasaki, Shosuke Nakanishi | 1998-11-24 |
| 5759469 | Method for preparing molded articles of syndiotactic polypropylene | Tateyo Sasaki, Mitsuru Ito, Tetusnosuke Shiomura | 1998-06-02 |
| 5637367 | Transparent impact-resistant molded articles | Tateyo Sasaki, Shosuke Nakanishi, Takeo Inoue | 1997-06-10 |
| 5624621 | Process of making polyprophylene fibers | Tetsunosuke Shiomura, Shigeru Kimura, Nobutaka Uchikawa, Yoichi Kawai, Keigo Suehiro +1 more | 1997-04-29 |
| 5591817 | Molded articles of syndiotactic polypropylene and method for preparing same | Tateyo Sasaki, Mitsuru Ito, Tetusnosuke Shiomura | 1997-01-07 |
| 5548007 | Radiation-resistant polypropylene resin composition | Shigeru Kimura, Nobutaka Uchikawa, Tetsunosuke Shiomura | 1996-08-20 |
| 5548008 | Radiation-resistant polypropylene resin composition | Shigeru Kimura, Nobutaka Uchikawa, Tetsunosuke Shiomura | 1996-08-20 |
| 5534595 | Syndiotactic propylene copolymer, preparation of the same, and resin composition containing the same | Hiroshi Matsuzawa, Tateyo Sasaki, Kaoru Kawanishi | 1996-07-09 |
| 5494996 | Polyimide resin composition | Shoji Tamai, Yuichi Okawa, Wataru Yamashita, Yoshihiro Sakata, Hideaki Oikawa +3 more | 1996-02-27 |
| 5480965 | Readily soluble, amorphous polyimide, and preparation process of same | Wataru Yamashita, Yuichi Okawa, Hideaki Oikawa, Yuko Ishihara, Mitsunori Matsuo +3 more | 1996-01-02 |
| 5478888 | Preparation process of thermoplastic resin composite | Naoya Ogata, Takehisa Nakanishi | 1995-12-26 |
| 5478646 | Polypropylene fiber and a preparation process thereof | Tetsunosuke Shiomura, Shigeru Kimura, Nobutaka Uchikawa, Yoichi Kawai, Keigo Suehiro +1 more | 1995-12-26 |
| 5428127 | Preparation process of syndiotactic polyproplene | Tetsunosuke Shiomura, Nobutaka Uchikawa, Tateyo Sasaki, Norihide Inoue, Osamu Uchida +1 more | 1995-06-27 |
| 5428121 | Method for preparing syndiotactic polypropylene | Tsutomu Iwatani, Ryuichi Sugimoto, Norihide Inoue, Masahiro Kouno, Tetsunosuke Shiomura | 1995-06-27 |
| 5376406 | Method for preparing decomposable film and its utilization | Kaoru Kawanishi | 1994-12-27 |
| 5374685 | Syndiotactic propylene copolymer, method for preparing same, and its use | Kazuhiko Yamamoto | 1994-12-20 |
| 5373059 | Syndiotactic propylene copolymer, method for preparing same, and its use | Kazuhiko Yamamoto | 1994-12-13 |
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Toshiyuki Kataoka, Yuichi Okawa, Hideaki Oikawa +4 more | 1994-10-11 |
| 5340848 | Radiation-resistant polypropylene resin composition | Shigeru Kimura, Nobutaka Uchikawa, Tetsunosuke Shiomura | 1994-08-23 |