Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800985 | Silencer with a side branch | Yukihiko Hanzawa, Haruki Kawauchi, Tukasa Mikami, Yohji Kurotobi | 1989-01-31 |
AT
Akinobu Takagi
Overall (1989): #134,358 of 140,708Top 100%
1
Patents 1989