Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324576 | Method for producing optical glass | Iwao Matsuyama, Shin Satoh, Tsuneo Suganuma | 1982-04-13 |
| 4323381 | Method for producing mother rods for optical fibers | Iwao Matsuyama, Tsuneo Suganuma, Shin Satoh, Toshio Katsuyama, Hidehito Obayashi | 1982-04-06 |
| 4317668 | Method for producing silica glass | Iwao Matsuyama, Shin Satoh, Tsuneo Suganuma | 1982-03-02 |