Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637839 | Ultrasonic coordinate input apparatus | Hiroshi Ishikawa, Yasuhide Iwamoto, Atsuo Iida | 1997-06-10 |
NY
Nobuyasu Yamaguchi
Overall (1997): #97,430 of 185,788Top 55%
1
Patents 1997