Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353616 | Developing device for copying machine | Masaaki Ishibashi, Tadayuki Tsuda | 1994-12-20 |
| 5373057 | Resin composition and copolymer | Akihiro Inozuka | 1994-12-13 |
| 5345294 | Process cartridge and image forming apparatus using same | Yoshiya Nomura, Tadayuki Tsuda, Isao Ikemoto, Kazuhiko Ishiwata, Makoto Tanaka +2 more | 1994-09-06 |
| 5331372 | Process cartridge and image forming apparatus on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Yoshikazu Sasago, Shinya Noda +2 more | 1994-07-19 |
| 5317066 | Polyester-grafted polyamide, process for preparing the same, and thermoplastic resin composition containing the same | Katsuhiko Sumida | 1994-05-31 |
| 5294960 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Hiroyuki Shirai +1 more | 1994-03-15 |