Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734218 | Process for producing foamed rubber | — | 2004-05-11 |
| 6716931 | Vulcanized solid rubber | Sadayuki Nakano | 2004-04-06 |
| 6384290 | Oil-extended copolymers for sponge | — | 2002-05-07 |
| 5179156 | Rubber composition | Hiroyoshi Takao, Hiroyuki Harada, Kiyoyuki Sugimori, Nobuyuki Yoshida, Masahiro Fukuyama +1 more | 1993-01-12 |
| 5118773 | Rubber composition | Hiroyoshi Takao, Hiroyuki Harada, Kiyoyuki Sugimori, Nobuyuki Yoshida, Masahiro Fukuyama +1 more | 1992-06-02 |
| 5100964 | Rubber composition | Keisaku Yamamoto, Yoshio Tanimoto, Kiyoshi Ikeda, Nobuhiro Natsuyama, Sumio Hara | 1992-03-31 |
| 4205716 | Continuous casting process and apparatus for production of metallic hollow ingot | Kou Nakahira, Hideki Nakagami | 1980-06-03 |