Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868351 | Input pen data input tablet | Masaaki Nakano, Shuji Iwata, Osamu Nakajima, Yusaku Saitoh | 1989-09-19 |
SW
Shoyu Watanabe
Overall (1989): #56,546 of 140,708Top 45%
1
Patents 1989