Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384957 | Variable optical attenuator utilizing Faraday effect | Seiichi Ikeda, Nobuhiro Fukushima | 2002-05-07 |
HS
Hirohiko Sonoda
Overall (2002): #204,809 of 266,432Top 80%
1
Patents 2002