Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7820274 | Prepreg and conductive layer-laminated substrate for printed wiring board | Tomiho Yamada, Shigeru Asami | 2010-10-26 |
| 6223007 | Image forming apparatus | Takashi Kitagawa, Yasutaka Maeda, Makoto Uehara, Katsuhiro Nagayama | 2001-04-24 |
| 6215968 | Image forming apparatus with half-tone density control | Makoto Uehara, Yasutaka Maeda, Takashi Kitagawa, Katsuhiro Nagayama, Shouji Tomita +2 more | 2001-04-10 |
| 5987272 | Image forming apparatus including image quality compensation means | Yasutaka Maeda, Katsuhiro Nagayama | 1999-11-16 |