Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231128 | Ethylene propylene rubber composition | Rikizou Nakata, Hidenori Hayashi, Takayoshi Saiki, Mitsumasa Horii, Masahiro Sugiura | 1993-07-27 |
| 4866101 | Rubber composition for producing sponge rubber product | Tadanobu Iwasa, Masaki Ohashi, Isao Kurimoto | 1989-09-12 |