Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041566 | Seal structure, sealing method, and coupling equipped with said seal structure | Koji Hiramatsu, Michio Yamaji, Tadayuki Yakushijin, Yasumasa Yanagida, Takashi Funakoshi | 2021-06-22 |
| D854656 | Fluid controller | Takehiro Koyama, Katsutoshi Shoji | 2019-07-23 |
| 9945489 | Safety valve | Masashi Matsuoka, Akira Yamashita, Shusuke Inagi | 2018-04-17 |
| 9022353 | Ball valve | Masashi Matsuoka, Yosinori Shimomura, Hirokatsu Maeda | 2015-05-05 |
| 8726923 | Safety valve | Toshio Kita | 2014-05-20 |
| 8434507 | Safety valve device, valve apparatus, high-pressure gas tank, and vehicle | Yasuyuki Iida, Yasuhiro Yamamoto, Yutaka Tano | 2013-05-07 |
| 7150287 | Safety valve | Toshio Kita | 2006-12-19 |
| 5634627 | Controller | Kazuhiro Yoshikawa, Shuhei Ogawa | 1997-06-03 |
| 5427357 | Control valve | Mutsunori Koyomogi, Masahiko Nakazawa, Yukio Minami, Masahiko Sogao, Kazuhiro Yoshikawa +2 more | 1995-06-27 |