Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070695 | Silencer | Nobuyuki Yoshitoshi, Hirofumi Ogawa | 2000-06-06 |
| 5670756 | Silencer | Nobuyuki Yoshitoshi, Shigeo Kimura, Taketoshi Houjou, Kazuya Nimiya | 1997-09-23 |
AO
Akihiko Ohtaka
Yutaka Giken Co.: 1 patents #56 of 161Top 35%
Overall (All Time): #2,238,662 of 4,157,543Top 55%
2
Patents All Time