Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368887 | Process for producing thin glass film by sol-gel method | Masumi Ito, Hiroo Kanamori | 1994-11-29 |
| 5314518 | Method for producing glass preform for optical fiber | Masumi Ito, Shinji Ishikawa | 1994-05-24 |