Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362026 | Water flow control system | Hiroshi Kobayashi, Ryosuke Hayashi, Yukihiro Muroya | 1994-11-08 |
| 5341839 | Water flow control system | Hiroshi Kobayashi, Ryosuke Hayashi, Yukihiro Muroya | 1994-08-30 |