Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054845 | Flow direction restriction valve mechanism and valve device | Masaru Takeda | 2021-07-06 |
| 7111818 | Safety valve | Masaru Takeda, Mitsumasa Kagomoto, Shinji Maekawa, Kazuyuki Miyata, Mari Shiotsuki | 2006-09-26 |
| 6626204 | Cylinder valve assembly with check valve | Mari Shiotsuki, Mitsumasa Kagomoto | 2003-09-30 |
| 6453933 | Container valve | Norio Daicho, Masaru Takeda | 2002-09-24 |
| 6293307 | Valve assembly with check valve for gas cylinder | Mari Shiotsuki, Mitsumasa Kagomoto | 2001-09-25 |
| 5063976 | Attachment of gas charger for gas container | Keitaro Yonezawa | 1991-11-12 |
| 5048565 | Valve assembly with check valve for gas container | — | 1991-09-17 |
| 4580450 | Valve with a level gauge for a liquefied carbon dioxide container | Shiro Ota, Jiro Nitta, Teruo Hatori, Hajime Miyoshi | 1986-04-08 |