Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060610 | Multistage shaft sealing apparatus and rotary machine | Takanobu Otani, Hiroshi Kuzumi, Toshihiko Matsuo, Yasuhiro Ikeda, Hitoshi Ito +2 more | 2021-07-13 |
HT
Hiroyuki Tokumasu
Overall (All Time): #2,737,840 of 4,157,543Top 70%
1
Patents All Time