Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801771 | Force sensitive device | Masaaki Mizuguchi | 1989-01-31 |
| 4796509 | Electronic tuning apparatus | Masaaki Mizuguchi | 1989-01-10 |
HK
Hirohisa Kuroyanagi
Overall (1989): #25,845 of 140,708Top 20%
2
Patents 1989