Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321772 | Vacuum pressure-adjusting apparatus | Takashi Shirane, Naoki Iguma | 2001-11-27 |
| 6305401 | Pneumatic pressure regulator | Takuji Yamada, Tohru Inohara, Kazuyuki Oguma | 2001-10-23 |
| 6019121 | Pressure reducing valve | — | 2000-02-01 |
| D416310 | Pressure regulator | Tohru Inohara | 1999-11-09 |
| D410525 | Pressure regulator | Tohru Inohara | 1999-06-01 |
| D406875 | Pressure reducing valve | — | 1999-03-16 |
| D399922 | Pressure reducing valve | — | 1998-10-20 |