Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801770 | Switch assembly | Kazuo Yukitomo, Yoshiaki Anan, Kaneyasu Arakawa, Akira Hanaki, Koichi Kihira | 1989-01-31 |
MH
Masaichi Hattori
Overall (1989): #81,311 of 140,708Top 60%
1
Patents 1989