Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700210 | Racket frame and process for producing the same | Kenjiro Takechi, Yasuhiro Ishigaki | 1997-12-23 |
HK
Hitomi Kojo
Overall (All Time): #3,732,381 of 4,157,543Top 90%
1
Patents All Time