Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944831 | Data communication network having multidimensional link structure | Hideaki Okayama | 2011-05-17 |
| 7684328 | Data transfer network | Hideaki Okayama | 2010-03-23 |
| 5636045 | Photonic switching method and photonic switch utilizing same | Hideaki Okayama, Saeko Oshiba, Yoshio Kawai | 1997-06-03 |
| 4884858 | Distributed coupler switch | Takashi Ushikubo, Hideaki Okayama, Issei Asabayashi | 1989-12-05 |