Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493532 | Slide-rotating collar protecting rotatable resin shaft | Tomotoshi Nakahara, Toshiyuki Itoh | 2002-12-10 |
KN
Keishi Nishioka
Overall (All Time): #3,566,284 of 4,157,543Top 90%
1
Patents All Time