Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219894 | Method for treating the surface of a thin porous film material | Koichi Okita, Shin-ichi Toyo-oka, Shigeru Asako | 1993-06-15 |
| 5216067 | Fluororesin coating composition | Masaya Nishi, Yoshichika Nishimura | 1993-06-01 |
| 5194336 | Chromatically colored fluororesin-coated material | — | 1993-03-16 |
| 5107087 | Cooking instrument using a microwave oven for heating a primary cooking surface | Shosuke Yamanouchi, Shinichi Toyooka | 1992-04-21 |
| 5106682 | Fluororesin-coated article | Nobutaka Matsushita, Hideki Kashihara, Fumio Matsuyama | 1992-04-21 |
| 4832713 | Gas-selectively permeable membrane and method of forming said membrane | Koichi Okita | 1989-05-23 |
| 4822361 | Tubular prosthesis having a composite structure | Koichi Okita, Shigeru Asako, Kazuhiro Okabe, Tohru Kashiwagi | 1989-04-18 |
| 4734112 | Liquid membrane | Koichi Okita, Shinichi Toyooka, Shigeru Asako | 1988-03-29 |
| 4705544 | Liquid membrane | Koichi Okita, Shinichi Toyooka, Shigeru Asako | 1987-11-10 |
| 4671754 | Apparatus for manufacturing porous polytetrafluoroethylene material | Koichi Okita, Shinichi Toyooka, Shigeru Asako | 1987-06-09 |
| 4219844 | Apparatus for detecting the surface flaws of a red-heated metal part | Atushi Ohsumi, Yoshinao Yamagishi, Kaoru Daigo, Tomio Yamamoto | 1980-08-26 |