Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200725 | Opening degree detection device for manual valve | Ryousuke Dohi, Atsuo Tomita, Kouji Nishino, Nobukazu Ikeda | 2015-12-01 |
| 8210493 | Water hammerless valve | Yuki Shimizu, Mikio Inoue | 2012-07-03 |
| 8011107 | Jig for selecting valve part number or joint part number | Takayasu Nakahama, Syuichi Kuriyama | 2011-09-06 |