Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872704 | Water injection device | Daisuke Hirasawa, Yoshihisa Kiyotoki, Hisashi Satou, Keiji Sasaki, Yuta Fukuda | 2020-12-22 |
| 10260651 | Butterfly valve formed of a laminated material | Yoshiharu Kawahara, Yoshihisa Kiyotoki, Takayoshi Nakashima, Yoshitomo Kanemura, Yukio Imoto | 2019-04-16 |