Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386488 | Data entry keyboard | Masaaki Kageyama, Hideki Ito, Yoshirou Koutaka, Katsuyuki Katayama, Hiromi Chiba | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386488 | Data entry keyboard | Masaaki Kageyama, Hideki Ito, Yoshirou Koutaka, Katsuyuki Katayama, Hiromi Chiba | 1997-11-18 |