Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681447 | Liquid level detection apparatus | Syunsuke Nagakura | 2010-03-23 |
| 7350413 | Liquid level detection apparatus | Syunsuke Nagakura | 2008-04-01 |
| 4812749 | Bimetallic indicator | Yoshitake Sato, Youji Nakazaki | 1989-03-14 |