Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098649 | Waste processing apparatus, waste recovery system and liquid container | Tsutomu Noguchi, Minoru Matsushima, Hiraku Sugiki | 2000-08-08 |
| 6015627 | Magnetic head drum and method of manufacturing same | Akio Kikuchi | 2000-01-18 |
| 5863002 | Waste processing apparatus, waste recovery system and liquid container | Tsutomu Noguchi, Minoru Matsushima, Hiraku Sugiki | 1999-01-26 |