Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117521 | Concrete formwork | Hidetsugu Yoshida, Takeyoshi Yamada, Tadao Komoriya, Yuzo Aito, Nobuo Yoshikiyo +1 more | 2000-09-12 |
| 5096644 | Process for making a filled metathesis polymer article | Shigeyoshi Hara, Paul A. Silver, Hikoichiro Yamada | 1992-03-17 |
| 5055499 | Molded polymer article filled with inorganic material and production of said article | Shigeyoshi Hara, Paul A. Silver, Hikoichiro Yamada | 1991-10-08 |
| 5019620 | Elastic crosslinked metathesis polymer composition | Shigeyoshi Hara | 1991-05-28 |
| 5015710 | Process for producing a blended metathesis/radical polymer composition | Shigeyoshi Hara | 1991-05-14 |
| 4749753 | Intimate mixture containing aromatic polyazole and aromatic copolyamide and process for its production | Toshio Nishihara, Hiroshi Mera | 1988-06-07 |