Issued Patents All Time
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 (All Time): #2,953,807 of 4,157,543Top 75%
1
Patents All Time