Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8098988 | Optical add/drop multiplexer | Hiroaki Nakazato, Takashi Okuda | 2012-01-17 |
| 6009080 | ATM exchange | — | 1999-12-28 |
HH
Hiroyuki Hanazawa
Overall (All Time): #2,084,294 of 4,157,543Top 55%
2
Patents All Time