Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862473 | Semiconductor laser apparatus having a high harmonic generating waveguide | Seiki Yano | 1989-08-29 |
| 4858215 | Integrated optical disc pickup that allows variations in the wavelength of the laser beam | Seiki Yano, Hiroaki Kudo, Haruhisa Takiguchi, Shinji Kaneiwa | 1989-08-15 |
| 4856006 | Higher harmonic generating device | Seiki Yano | 1989-08-08 |