Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812423 | Optical light weight glass | Katsumi Mangyo, Takeo Ichimura | 1989-03-14 |
| 4476233 | Phosphate optical glass | — | 1984-10-09 |
| 4386163 | Fluorophosphate optical glass | — | 1983-05-31 |
| 4228807 | Biofeedback device for recognition of .alpha. wave component and muscle potential component | Akihiro Yagi, Yasuo Kuchinomachi | 1980-10-21 |