Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680497 | Optical waveguide device | Tadao Nakazawa, Takashi Yamane, Yoshinobu Kubota, Masaharu Doi, Kunio Sugeta +1 more | 1997-10-21 |
MS
Minoru Seino
Overall (1997): #101,950 of 185,788Top 55%
1
Patents 1997