Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681463 | Portable liquid purifying device having activated carbon filter and micro-porous membrane filter | Kazuo Shimizu, Makoto Nakagawa, Masashi Endo | 1997-10-28 |
| 5487788 | Method for cleaning and disinfecting contact lens | Hideaki Kamiya, Satoshi Hashimoto | 1996-01-30 |
| 5367551 | Integrated circuit containing scan circuit | Kenzo Okumura | 1994-11-22 |
| 5130015 | Liquid purifying attachment having pressurizing piston | Kazuo Simizu, Masashi Endo | 1992-07-14 |