Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803937 | Photographic printer having varied intensities or optical modulation data for laser light sources | Yasutaka Kayama, Fumihiro Nakahara, Hirofumi Hayashi | 2004-10-12 |
| 6552741 | Optical scanning device, image scanning method and photographic processing device | Fumihiro Nakahara, Yasutaka Kayama, Hirofumi Hayashi | 2003-04-22 |