Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483636 | Optical amplifier | Yasushi Sugaya, Hiroaki Tomofuji | 2002-11-19 |
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Rikiya Watanabe
Overall (2002): #131,089 of 266,432Top 50%
1
Patents 2002