Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814743 | Rotary direction detecting sensor | — | 1989-03-21 |
| 4801770 | Switch assembly | Kazuo Yukitomo, Yoshiaki Anan, Masaichi Hattori, Kaneyasu Arakawa, Koichi Kihira | 1989-01-31 |
AH
Akira Hanaki
Overall (1989): #31,726 of 140,708Top 25%
2
Patents 1989