Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699938 | Cleaning method and dishwasher using same | Hiroyuki Fujii, Yuko Omura, Fumio Ota | 2010-04-20 |
| 4540666 | Methane fermentation | Syunji Namikawa, Toshikazu Tomioka, Takehiko Yamamoto, Susumu Oi | 1985-09-10 |