Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007307 | Air pump with noise reduction partitions in the housing | — | 1999-12-28 |
| 4967996 | Pilot type controlled electromagnetic valve system | Atsuo Tomita, Eiji Ideta, Koji Nishino, Koichi Tsubomoto | 1990-11-06 |
| 4750524 | Apparatus for interchanging orifice plates for orifice flowmeter | Kotohiko Sekoguchi | 1988-06-14 |
| 4645176 | Control valve | Hiroshi Ogawa, Ryosuke Dohi | 1987-02-24 |
| 4604254 | Butterfly valve | Masahiko Yamamoto, Yoshinori Nishino, Tadayoshi Uda, Toshio Suyama | 1986-08-05 |
| 4537078 | Precision pressure gauge | Kotohiko Sekoguchi | 1985-08-27 |
| 4222403 | Automatic drain exhaust valve | — | 1980-09-16 |