Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687224 | Photosensitive film | Chikara Ishikawa, Youji Tanaka, Shinji Takano, Yoshitaka Minami | 2010-03-30 |
| 7645561 | Photosensitive film | Chikara Ishikawa, Youji Tanaka, Shinji Takano, Yoshitaka Minami | 2010-01-12 |
| 7645562 | Photosensitive film | Chikara Ishikawa, Youji Tanaka, Shinji Takano, Yoshitaka Minami | 2010-01-12 |