Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847791 | Image formation controlling method and image forming apparatus | Takashi Kitagawa, Toshiaki Ino, Takayuki Yamanaka, Eiichi Kido | 2005-01-25 |
| 6215968 | Image forming apparatus with half-tone density control | Makoto Uehara, Toshihiro Ohta, Yasutaka Maeda, Takashi Kitagawa, Katsuhiro Nagayama +2 more | 2001-04-10 |
| 5972551 | Crystalline titanyl phthalocyanines and use thereof | Masato Miyauchi, Ichiro Fujii | 1999-10-26 |