Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10655632 | Shaft seal device and vertical pump with this shaft seal device | Kazuya Hirata | 2020-05-19 |
| 7252910 | Fabrication method of semiconductor integrated circuit device and mask fabrication method | Norio Hasegawa, Katsuya Hayano, Shinji Kubo, Yasuhiro Koizumi | 2007-08-07 |
| 5805888 | Identifier dictionary-generating device | Koji Sasaki | 1998-09-08 |
| 5164596 | Focused ion beam irradiating apparatus | Shigeru Noguchi | 1992-11-17 |
| 4782207 | Electrode roll | Shunsuke Masuda, Masatoshi Yamamoto, Katsuyoshi Shudo, Hiroyuki Kato | 1988-11-01 |
| 4642437 | Electrode roll for electric resistance welding | Masatoshi Yamamoto, Katsuyoshi Shudo, Hiroyuki Kato, Shunsuke Masuda | 1987-02-10 |