Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723794 | Olefin thermoplastic elastomer composition comprising crystalline polyolefin resin and ethylene/&agr;-olefin/nonconjugated polyene copolymer rubber | Masaaki Kawasaki, Keiji Okada, Kyoko Kobayashi, Yuichi Itoh, Akira Uchiyama +2 more | 2004-04-20 |
| 6599984 | Rubber modified with ethylene/&agr;-olefin(/diene) rubber(s) | Masaaki Kawasaki, Taku Koda, Takashi Hakuta | 2003-07-29 |
| 6569936 | Rubber composition for a conveyor belt | Masaaki Kawasaki, Takashi Hakuta, Hidenari Nakahama | 2003-05-27 |
| 6458894 | Rubber modifier of ethylene/&agr;-olefin (/diene) copolymer rubber(s) | Masaaki Kawasaki, Taku Koda, Takashi Hakuta | 2002-10-01 |
| 6346577 | Heat-resistant rubber composition | Takashi Hakuta, Masaaki Kawasaki, Mikio Hosoya | 2002-02-12 |
| RE37527 | Heat-resistant rubber composition | Takashi Hakuta, Masaaki Kawasaki, Mikio Hosoya | 2002-01-22 |
| 6300416 | Rubber compositions for tires | Keiji Okada, Kenichi Morizono, Kazuyuki Takimoto, Tetsuhiro Matsumoto, Masaaki Kawasaki | 2001-10-09 |
| 6140441 | Ethylenic random copolymer, process for preparing the same, and rubber composition | Takashi Hakuta, Mikio Hosoya, Masaaki Kawasaki | 2000-10-31 |
| 6114449 | Curable rubber composition | Takashi Hakuta, Mikio Hosoya | 2000-09-05 |
| 6111021 | Rubber composition and process for the production thereof | Hidenari Nakahama, Masaaki Kawasaki, Yuji Ishii, Taku Koda, Yoshio Maejima +2 more | 2000-08-29 |
| 5962543 | Foam processable rubber compositions and vulcanized rubber foam molded products of the same | Masaaki Kawasaki, Shuichi Nonaka, Masao Kunizane, Taku Koda | 1999-10-05 |
| 5912303 | Ethylene/.alpha.-olefin/nonconjugated polyene terpolymer rubber composition and vulcanized rubber obtained therefrom | Hidenari Nakahama, Masaaki Kawasaki, Totshiyuki Tsutsui, Toshihiro Sagane | 1999-06-15 |
| 5869563 | Ethylene/.alpha.-olefin/nonconjugated polyene copolymer rubber composition | Masaaki Kawasaki, Hidenari Nakahama, Toshiyuki Tsutsui, Kyoko Kobayashi, Toshihiro Sagane | 1999-02-09 |
| 5807948 | Vulcanizable rubber composition containing ehtylene-.alpha.-olefin-nonconjugated polyene random copolymer | Toshihiro Sagane, Toshiyuki Tsutsui, Masaaki Kawasaki, Keiji Okada, Hidenari Nakahama | 1998-09-15 |
| 5756575 | Ethylene/.alpha.-olefin/nonconjugated polyene copolymer rubber composition | Masaaki Kawasaki, Hidenari Nakahama, Toshiyuki Tsutsui, Kyoko Kobayashi, Toshihiro Sagane | 1998-05-26 |
| 5733983 | Heat-resistant rubber composition | Takashi Hakuta, Masaaki Kawasaki, Mikio Hosoya | 1998-03-31 |
| 5698651 | Ethylene copolymer rubber, vulcanizable rubber composition containing the copolymer rubber, and process for preparing the copolymer rubber | Masaaki Kawasaki, Toshiyuki Tsutsui, Takashi Hakuta | 1997-12-16 |
| 5696214 | Process for preparing ethylene-.alpha.-olefin-nonconjugated polyene random copolymer | Toshihiro Sagane, Toshiyuki Tsutsui, Masaaki Kawasaki, Keiji Okada, Hidenari Nakahama | 1997-12-09 |
| 5610254 | Ethylene-.alpha.-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymer | Toshihiro Sagane, Toshiyuki Tsutsui, Masaaki Kawasaki, Keiji Okada, Tatsuya Tanizaki | 1997-03-11 |
| 5470919 | Chlorinated ethylene/.alpha.-olefin copolymer rubber and composition containing the same | Muneyuki Matsumoto, Yoshiharu Kikuchi | 1995-11-28 |
| 5430117 | Nonconjugated diene-vinyl aromatic-.alpha.-olefin interpolymers | Masaaki Kawasaki, Keiji Okada, Kenzaburo Fukutani, Akemi Uchimi | 1995-07-04 |
| 5387664 | Higher .alpha.-olefin copolymer, vibration-insulating rubber molded product, and process for the preparaton of the rubber molded product | Masaaki Kawasaki, Toshimasa Takata, Keiji Okada, Kazuhiko Murata, Mitsuhiko Onda | 1995-02-07 |
| 5354828 | Higher .alpha.-olefin copolymer, process for preparing same, and vulcanizable rubber composition | Masaaki Kawasaki, Syuji Minami, Keiji Okada | 1994-10-11 |
| 5349020 | Vulcanizable rubber composition | Keiji Okada, Kazuhiko Murata, Masaaki Kawasaki, Toshimasa Takata | 1994-09-20 |
| 5310818 | Vulcanizable chlorine-containing rubber compositions containing triazinethiol amine salt vulcanizing agents | Keiji Okada, Takashi Nakahara, Yoshiharu Kikuchi | 1994-05-10 |