Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818835 | Laser marker and method of laser marking | Makoto Yano, Takao Umeda | 1989-04-04 |
| 4818892 | Laser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating method | Tuneyoshi Oohashi, Satoshi Takemori, Toshimichi Kichikawa, Hiroyuki Sugawara | 1989-04-04 |