Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946554 | Fluid contact member and method of manufacturing fluid contact member | Hirotsugu Kawanaka, Sei HIRANO, Daisuke Hirasawa, Junya Kaneda | 2024-04-02 |
| 11684976 | Method of manufacturing transition piece and transition piece | Yukari Nakayama, Sei HIRANO | 2023-06-27 |
| 10872704 | Water injection device | Daisuke Hirasawa, Hisashi Satou, Keisuke Sakemura, Keiji Sasaki, Yuta Fukuda | 2020-12-22 |
| 10260651 | Butterfly valve formed of a laminated material | Yoshiharu Kawahara, Takayoshi Nakashima, Keisuke Sakemura, Yoshitomo Kanemura, Yukio Imoto | 2019-04-16 |
| 9916908 | Gas supply apparatus and air or nitrogen supply apparatus of nuclear plant | Ryo Kubota, Kenji Onodera | 2018-03-13 |
| 8888069 | Valves having high wear-resistance and high corrosion-resistance | Yusaku Maruno, Seunghwan Park, Shin Kumagai | 2014-11-18 |
| 7584668 | Monitoring system for valve device | Hiroyuki Ohta, Hiromi Shimazu, Yohei Tanno, Kenji Onodera, Kenji Araki | 2009-09-08 |
| 6959916 | Valve and manufacturing method thereof | Mitsuo Chigasaki, Shizuo Matsushita, Jiro Kuniya, Kikuo Takeshima, Akira Sakamoto +1 more | 2005-11-01 |
| 6896978 | Joint construction of cobalt-based alloy | Mitsuo Chigasaki, Shizuo Matsushita, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-24 |
| 6889957 | Joint construction of cobalt-based alloy | Mitsuo Chigasaki, Shizuo Matsushita, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-10 |
| 6886809 | Joint construction of cobalt-based alloy | Mitsuo Chigasaki, Shizuo Matsushita, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2005-05-03 |
| 6672330 | Valve bonded with corrosion and wear proof alloy and apparatuses using said valve | Mitsuo Chigasaki, Shizuo Matsushita, Jiro Kuniya, Takahiko Kato, Yoshiteru Chiba | 2004-01-06 |
| 5156197 | Float type liquid level meter | — | 1992-10-20 |