Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035493 | Controller | Keisuke Ishibashi, Michio Yamaji, Tadayuki Yakushijin, Keigo Kobayashi | 2021-06-15 |
| 9423037 | Diaphragm with flange and annular ridge and diaphragm valve using the same | Yoshinori Shimomura, Masahiko Sogao, Keigo Kobayashi | 2016-08-23 |