Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378143 | Water treatment system, water treatment method, and recording medium | Hiroyuki Takahashi | 2025-08-05 |
| 11597667 | Wastewater treatment system, air supply amount control device, and air supply amount control method | Hiroyuki Takahashi, Nobuki Tsuboi, Masashi Inoue | 2023-03-07 |
| 10718376 | Wheel bearing device | — | 2020-07-21 |
| 5171435 | Dehydrator tub for clothes washing with controlled variable rotational speeds | Hiroshi Nishimura | 1992-12-15 |
| 5133200 | Washing machine | Tetsukazu Tanaka | 1992-07-28 |