Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10168457 | Manufacturing method of diffraction grating | Shigeru Sugiyama | 2019-01-01 |
TS
Takashi Sukegawa
Overall (2019): #250,406 of 560,194Top 45%
1
Patents 2019