Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047551 | Information distributing method and information distributing system | Katsuhisa Ogawa | 2006-05-16 |
| 4297713 | Laser recording apparatus | Junji Ichikawa, Nobuhiro Imai, Kimio Kohno, Masaaki Ishii | 1981-10-27 |