Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412113 | Dust venting contact with a non-circular hole | Itaru Mitsugi, Shunzo Oka, Yoshinobu Nakagawa | 1983-10-25 |
KS
Kenichi Shiho
Overall (All Time): #4,059,877 of 4,157,543Top 100%
1
Patents All Time