Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690860 | Method of manufacturing grating | Sadayuki Matsumoto, Takuya Ohira, Masakazu Takabayashi, Kiichi Yoshiara, Shigeru Matsuno +1 more | 2004-02-10 |
HT
Hajime Takeya
Overall (2004): #213,052 of 270,089Top 80%
1
Patents 2004