Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806761 | Combination faucet device | Masatoshi Enoki, Osamu Tokunaga, Masaaki Itoh, Hirofumi Takeuchi | 1998-09-15 |
| 5738275 | Combination faucet device | Masatoshi Enoki, Osamu Tokunaga, Masaaki Itoh, Hirofumi Takeuchi | 1998-04-14 |