Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107087 | Cooking instrument using a microwave oven for heating a primary cooking surface | Katsuya Yamada, Shosuke Yamanouchi | 1992-04-21 |
| 4844953 | Elastic roller for fixing and method of producing the same | Chiaki Kato, Toshiyuki Hatta, Akihiko Isomura, Masaya Nishi | 1989-07-04 |
| 4734112 | Liquid membrane | Koichi Okita, Shigeru Asako, Katsuya Yamada | 1988-03-29 |
| 4705544 | Liquid membrane | Koichi Okita, Shigeru Asako, Katsuya Yamada | 1987-11-10 |
| 4671754 | Apparatus for manufacturing porous polytetrafluoroethylene material | Koichi Okita, Shigeru Asako, Katsuya Yamada | 1987-06-09 |
| 4346139 | Highly weather-proof high strength tri-axial woven membrane materials | Yoshitaka Osawa, Akira Nishimura | 1982-08-24 |