Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863296 | Information processing apparatus | Kiyoshi Yamakawa, Satoru Tsuruki | 1989-09-05 |
YS
Yoshio Sugiura
Overall (1989): #40,238 of 140,708Top 30%
1
Patents 1989