Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636195 | Optical recording method and reproducing method and recording apparatus and reproducing apparatus utilizing stimulated photon echo | Kiyoshi Uchikawa, Hisao Ohsawa | 1997-06-03 |
| 5568460 | Optical recording and/or reproducing apparatus and method utilizing stimulated photon echo | Kiyoshi Uchikawa, Hisao Ohsawa | 1996-10-22 |