Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9700033 | Coiled wave spring and drag knob | Takuji Takamatsu, Hirokazu Hiraoka | 2017-07-11 |
KK
Kenichi Kawagoshi
Overall (2017): #349,287 of 506,227Top 70%
1
Patents 2017