Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5526157 | Optical submarine cable system | — | 1996-06-11 |
| 5027385 | Facsimile apparatus for communicating on external and internal telephone sets | Hidetoshi Nakagawa, Masakatu Miyazaki | 1991-06-25 |