Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060610 | Multistage shaft sealing apparatus and rotary machine | Hiroshi Kuzumi, Hiroyuki Tokumasu, Toshihiko Matsuo, Yasuhiro Ikeda, Hitoshi Ito +2 more | 2021-07-13 |
| 10311984 | Shaft sealing structure and reactor coolant pump | Kentarou Saeki, Hidekazu Uehara, Akihiko Umeda, Masaru Sakai, Hiroshi Kuzumi +7 more | 2019-06-04 |