Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458901 | Propylenic copolymer and thermoplastic resin composition | Hirofumi Johoji, Hidetake Hozumi | 2002-10-01 |
| 6121401 | Propylene copolymer | Hirofumi Johoji, Hidetake Hozumi | 2000-09-19 |
| 6087424 | Rubber composition | Kizuku Wakatsuki, Hayato Saba | 2000-07-11 |
| 5703151 | Rubber composition | Kizuku Wakatsuki, Hayato Saba | 1997-12-30 |
| 5610226 | (Meth)acrylate copolymer and its elastomer compositions | Kiyoshi Ikeda, Masahiro Fukuyama, Tadaaki Nishiyama | 1997-03-11 |
| 5548012 | Automotive weather strip | Kiyoshi Ikeda, Masahiro Fukuyama, Takeshi Naito, Masanori Aritake | 1996-08-20 |
| 5523353 | Rubber composition | Kiyoshi Ikeda, Masahiro Fukuyama | 1996-06-04 |
| 5516862 | Process for producing ethylene-alpha-olefin copolymer rubber | Kizuku Wakatsuki, Hayato Saba, Tadaaki Nishiyama | 1996-05-14 |
| 5462975 | Rubber compositions for sponge rubber | Kiyoshi Ikeda, Masahiro Fukuyama | 1995-10-31 |
| 5459199 | Process for producing graft polymer | Yoshio Tanimoto, Kiyosi Ikeda, Nobuhiro Natsuyama | 1995-10-17 |
| 5438101 | Rubber composition | Kiyoshi Ikeda, Masahiro Fukuyama | 1995-08-01 |
| 5430086 | Rubber composition for tire treads | Yuichi Saito, Toru Fukumoto, Shuji Imaoka, Kizuku Wakatsuki, Mitsuji Tsuji | 1995-07-04 |
| 5344881 | Rubber compositions and vulcanized rubber compositions | Yoshio Tanimoto, Masahiro Fukuyama, Noriyasu Yasuda | 1994-09-06 |
| 5292825 | Vulcanizable epoxy group-containing elastomer composition | Hideaki Yamada, Masahiro Fukuyama | 1994-03-08 |
| 5290878 | Butadiene copolymer and process for preparing same | Kizuku Wakatsuki, Mitsuji Tsuji, Yuichi Saito | 1994-03-01 |
| 5288810 | Vulcanized rubber composition and rubber vibration insulator | Yoshio Tanimoto, Kiyosi Ikeda, Eiichi Usuda | 1994-02-22 |
| 5274042 | Process for producing graft polymer | Yoshio Tanimoto, Kiyosi Ikeda, Nobuhiro Natsuyama | 1993-12-28 |
| 5250627 | Rubber composition | Hideaki Yamada, Mashiro Fukuyama, Noriyasu Yasuda | 1993-10-05 |
| 5245007 | Method for purifying ethylene-.alpha.-olefin copolymer | Kizuku Wakatsuki, Kiyoyuki Sugimori, Hayato Saba, Katsunari Inagaki | 1993-09-14 |
| 5219938 | Modified diene polymer rubbers | Akio Imai, Tomoaki Seki | 1993-06-15 |
| 5191041 | Catalyst for olefinic hydrocarbon polymerization and process and producing olefinic hydrocarbon polymer | Hayato Saba, Akio Imai, Kiyoyuki Sugimori, Kizuku Wakatsuki | 1993-03-02 |
| 5189108 | Modified polymer rubber and process for preparing the same | Akio Imai, Mitsuji Tsuji, Takashi Sanada | 1993-02-23 |
| 5128416 | Modified diene polymer rubbers | Akio Imai, Tomoaki Seki | 1992-07-07 |
| 5122493 | Catalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymer | Hayato Saba, Akio Imai, Kiyoyuki Sugimori, Kizuku Wakatsuki | 1992-06-16 |
| 5100964 | Rubber composition | Yoshio Tanimoto, Kiyoshi Ikeda, Nobuhiro Natsuyama, Sumio Hara, Junichi Koshiba | 1992-03-31 |