Issued Patents All Time
Showing 251–263 of 263 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978778 | Process for producing vinyl acetate | Tomiya Isshiki, Yasuhiko Kijima, Akiro Ito, Yuh Miyauchi, Takao Konko | 1990-12-18 |
| 4978692 | Polyimide foam | Hiroshi Ezawa, Toshiyuki Nakakura, Hiroaki TSUSHIMA | 1990-12-18 |
| 4975313 | Heat-shrinkable polyolefin composite sheet | Hiroshi Ezawa, Hiroaki TSUSHIMA, Zyuzo Nishiba | 1990-12-04 |
| 4966805 | Heat-shrinkable polystyrene-base foamed composite sheet | Hiroshi Ezawa, Hiroaki TSUSHIMA, Zyuzo Nishiba | 1990-10-30 |
| 4943594 | Polyimide foam | Hiroshi Ezawa, Toshiyuki Nakakura, Hiroaki TSUSHIMA | 1990-07-24 |
| 4923912 | Epoxy resin composition | Yukio Sasaki, Hiroshi Takamiya, Kazuo Watanabe, Yoko Yamazaki | 1990-05-08 |
| 4920164 | Epoxy resin composition | Yukio Sasaki, Hiroshi Takamiya, Kazuo Watanabe, Yoko Yamazaki | 1990-04-24 |
| 4768168 | Memory circuit having an improved writing scheme | — | 1988-08-30 |
| 4742445 | Supervisory control computer system of compound generating plant | — | 1988-05-03 |
| 4731759 | Integrated circuit with built-in indicator of internal repair | — | 1988-03-15 |
| 4631707 | Memory circuit with power supply voltage detection means | — | 1986-12-23 |
| 4571707 | Memory circuit with improved redundant structure | — | 1986-02-18 |
| 4517377 | Process for producing vinyl acetate | Tomiya Isshiki, Takanari Nawata, Yasuhiko Kijima, Akira Ito | 1985-05-14 |