Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749806 | Method of sterilizing mildews and/or fungi in the state of spores and sterilization apparatus therefor | Ken Shimizu | 2004-06-15 |
| 5039865 | Sanitation apparatus | — | 1991-08-13 |
| 4899057 | Sanitary device | — | 1990-02-06 |
| 4836140 | Photo-CVD apparatus | — | 1989-06-06 |
| 4742235 | Optical treatment device | — | 1988-05-03 |