Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881333 | Water purifier filtration portion, water purifier main body, and water purifier including the both | Tetsuo Ozeki, Hiroto Yuasa | 2005-04-19 |
| 5994261 | Method of producing activated carbon fiber | Kazuo Tai, Satoshi Kibe, Norifumi Shindo, Masaya Hashimoto, Yukihiro Ohtaguro +2 more | 1999-11-30 |