Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543574 | Method of making a speaker edge containing isocyanate and polyol | Sinya Mizone, Shinya Kaneko, Hiroko Yamasaki | 2003-04-08 |
| 5459199 | Process for producing graft polymer | Keisaku Yamamoto, Yoshio Tanimoto, Nobuhiro Natsuyama | 1995-10-17 |
| 5288810 | Vulcanized rubber composition and rubber vibration insulator | Keisaku Yamamoto, Yoshio Tanimoto, Eiichi Usuda | 1994-02-22 |
| 5274042 | Process for producing graft polymer | Keisaku Yamamoto, Yoshio Tanimoto, Nobuhiro Natsuyama | 1993-12-28 |
| 4987199 | Ethylene-acrylic acid ester copolymer and process for producing the same | Hiroyoshi Takao, Nobuyuki Yoshida, Masahiro Fukuyama | 1991-01-22 |
| 4889881 | Ethylene-.alpha.-olefin vulcanized rubber composition | Hiroyoshi Takao, Yoshio Tanimoto | 1989-12-26 |
| 4820774 | Elastomer composition | Hiroyoshi Takao, Yoshio Tanimoto, Masahiro Fukuyama | 1989-04-11 |