Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D346596 | Optical disk cartridge | Masahiko Happo, Tomiaki Shirakawa | 1994-05-03 |
| D346164 | Portable radio telephone | Tomiaki Shirakawa, Akihiko Konno, Takaharu Ando | 1994-04-19 |
| D345555 | Portable radio telephone | Takato Yokouchi, Akihiko Konno, Tadao Nakamura | 1994-03-29 |
| D345158 | Portable radio telephone | Seiji Namba, Akihiko Konno, Tomiaki Shirakawa | 1994-03-15 |
| D344943 | Portable radio telephone | Takaharu Ando, Tadao Nakamura, Masahiko Happo | 1994-03-08 |