Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817065 | Battery-powered type compact electronic equipment | Norihisa Usui | 1989-03-28 |
HH
Hisashi Hihara
Overall (1989): #105,516 of 140,708Top 75%
1
Patents 1989