Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408537 | Fluid control valve | Yoshitada Doi, Yoji NIIMI, Hirofumi Ueda, Tsugumichi FUJIWARA | 2022-08-09 |
| 11280421 | Fluorine resin molded body | Yoshitada Doi, Keisuke Ikeda | 2022-03-22 |
| 11174972 | Pipe joint | Keisuke Ikeda | 2021-11-16 |
| 10989317 | Two-way valve | Yoshitada Doi, Takamitsu Suzuki, Akinori Nagata | 2021-04-27 |
| 9638345 | Valve apparatus | Tetsuro Maruyama | 2017-05-02 |
| 5779224 | Poppet valve | Yoshihiro Fukano, Tetsuro Maruyama, Tadashi Uchino, Masaaki Ono | 1998-07-14 |