Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936360 | Brightness controller for and method for controlling brightness of a discharge tube with optimum on/off times determined by pulse waveform | — | 1999-08-10 |
| 5464339 | Molding dye for disk substrate | Nobuyuki Arakawa, Takashi Segawa, Kazuki Miyairi, Kazutoshi Takayama | 1995-11-07 |