Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345928 | Fabrication method of single-mode optical fiber preforms | Masao Kawachi, Satoru Tomaru, Shoichi Suto | 1982-08-24 |
| 4338111 | Process for producing a glass preform for optical fiber | Michihisa Kyoto, Gotaro Tanaka, Toru Kuwahara | 1982-07-06 |
| 4318726 | Process for producing optical fiber preform | Gotaro Tanaka, Toru Kuwahara, Michihisa Kyoto | 1982-03-09 |