Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487094 | Double-layer pellet, method of manufacturing the same, and apparatus for manufacturing the same | — | 1996-01-23 |
| 4746316 | Method for manufacturing a luminous tube for discharge lamp | Masahiko Hirose, Masaaki Yada, Hitoshi Imamura | 1988-05-24 |
| 4429210 | Heating device | Masaaki Yada | 1984-01-31 |
| 4414460 | Method of sealing a tube using a laser beam | Masaaki Yada | 1983-11-08 |