Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642320 | Multi-functional cement dispersants and hydraulic cement compositions | Hiroshi Nakanishi, Masaki Ishimori, Minoru Yaguchi, Takumi Sugamata, Tomomi Sugiyama +1 more | 2003-11-04 |
| 6627703 | Air content stabilizing agents for hydraulic cement compositions and hydraulic cement compositions containing same | Mitsuo Kinoshita | 2003-09-30 |
| 6553202 | Method and apparatus for image forming capable of performing an effective development process | Hideo Yoshizawa | 2003-04-22 |
| 6522855 | Image forming apparatus and developing apparatus preventing uneven image density | Shunji Katoh, Hideo Yoshizawa, Junichi Terai, Kiyonori Tsuda, Tsuyoshi Imamura +3 more | 2003-02-18 |
| D468345 | Toner cartridge | Shuuji Tanaka, Akiyoshi Tanaka, Takaaki Tawada | 2003-01-07 |