Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716335 | Method of producing electrolyzed water | Shigeru Oyokota | 2004-04-06 |
| 5956798 | Mat for removing dirts or dusts | Hisashi Nemoto | 1999-09-28 |
| 5820821 | Sterilizer | Nobukazu Kawagoe, Shigeru Oyokota, Yoshihiro Kiuchi | 1998-10-13 |
| 5714119 | Sterilizer | Nobukazu Kawagoe, Shigeru Oyokota, Yoshihiro Kiuchi | 1998-02-03 |