Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274652 | Harmonic wave generator, a method of producing a harmonic wave and a reading apparatus for an optical recording medium using the harmonic wave generator or the method of producing a harmonic wave | Yuzuru Tanabe, Motoichi Ohtsu | 1993-12-28 |