Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5903369 | Optical wireless communication method and apparatus | Masahiro Hirayama, Eiichi Nakata | 1999-05-11 |
| 5706115 | Optical wireless communication method and apparatus | Masahiro Hirayama, Eiichi Nakata | 1998-01-06 |