Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664531 | Communication method | Masakazu Kojima, Yoshiko Tahara | 2010-02-16 |
| 5357065 | Circuit unit for electronic instrument having key-pad arrangement | Mitsuo Inagaki | 1994-10-18 |