Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710216 | Method of making flexible optical fiber bundle | Tsutomu Maruyama, Yoshiyuki Kumakura, Shigeo Kuwayama | 1987-12-01 |
| 4461841 | Acid-soluble glass composition for making flexible fiber optic bundle | Shigeo Kuwayama | 1984-07-24 |
| 4460696 | Acid-soluble glass for making flexible optical fiber bundle | Shigeo Kuwayama | 1984-07-17 |
| 4453962 | Method of manufacturing a flexible optical fiber bundle | Tsutomu Maruyama, Yoshiyuki Kumakura, Shigeo Kuwayama | 1984-06-12 |