Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348257 | Antibacterial water absorbing composition and method of manufacture | Masanori Koike, Kenji Tanaka | 2002-02-19 |
| 5981668 | Anti-bacterial water absorbing agent and anti-bacterial water absorbent material | Masanori Koike, Kenjiro Tsubota | 1999-11-09 |