Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574609 | Superfinishing machine, superfinishing method and outer ring of bearing having superfinished raceway surface | Natsuki Sensui, Takayuki Watanabe | 2017-02-21 |
EU
Eiji Utada
Overall (2017): #432,676 of 506,227Top 90%
1
Patents 2017