Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627933 | Optical waveguide and process for producing it | Masumi Ito, Maki Inai, Akira Inoue | 1997-05-06 |
MS
Masakazu Shigehara
Overall (1997): #106,996 of 185,788Top 60%
1
Patents 1997