Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703094 | Charging member, process cartridge and electrophotographic apparatus | Hitoshi Kakii, Toshimitsu Nakazawa, Takeshi Suzuki, Daisuke Yamada, Mie Takahashi +1 more | 2004-03-09 |
| 6555645 | Degradable polyurethane resin | Hiroaki Matsuno, Naoki Sato | 2003-04-29 |
| 5892061 | Process for preparing isoimides | Wataru Yamashita, Shoji Tamai | 1999-04-06 |
| 5646238 | Preparation process of polyhydroxycarboxylic acid | Shoji Obuchi, Masahiro Ohta | 1997-07-08 |