Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635928 | Data processing device with a keyboard having pop-up keys | Takeyuki Takagi, Yoshijiro Yamamoto, Yukio Suzuki | 1997-06-03 |
HO
Hiroaki Okada
Overall (1997): #140,928 of 185,788Top 80%
1
Patents 1997