Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438074 | Optical recording medium manufacturing master recording apparatus | Yuichi Aki, Masanobu Yamamoto | 2002-08-20 |
| 6205196 | Boiling water type nuclear reactor core and operation method thereof | Junichi Yamashita, Kumiaki Moriya, Katsumasa Haikawa, Yasuhiro Masuhara, Taichi Takii +3 more | 2001-03-20 |
| 5453869 | Light deflecting apparatus using a rotary polygon mirror | — | 1995-09-26 |
| 5129637 | Device for fixing work in position | Takayoshi Ito | 1992-07-14 |
| 4620033 | Process for producing carboxylic acids | Tomiya Isshiki, Yasuhiko Kijima, Yuh Miyauchi | 1986-10-28 |
| 4556519 | Process for producing acetic anhydride | Tomiya Isshiki, Yasuhiko Kijima, Yuh Miyauchi | 1985-12-03 |
| 4544511 | Process for producing acetic anhydride | Tomiya Isshiki, Yasuhiko Kijima, Yuh Miyauchi | 1985-10-01 |
| 4239741 | Process for producing hydrazine sulfate | Tomiya Isshiki, Tetsuo Tomita, Toshiaki Kozaki, Osamu Aoki, Mitsuo Abe +4 more | 1980-12-16 |