Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7039928 | Method and device for obtaining audience data on TV program | Tomihisa Kamada, Eiji Kuwana | 2006-05-02 |
| 6546228 | Image forming apparatus conveniently upgradable to a duplex image forming apparatus | Masashi Takiguchi, Hirotaka Hatta, Katsuhiro Kosuge, Hideyuki Takemoto | 2003-04-08 |
| 6184910 | Color image forming apparatus with polygonal mirror rotation phase control | Eiichi Sasaki, Tsuyoshi Deki, Nobuo Iwata, Takahiro Tamiya, Yutaka Shio +1 more | 2001-02-06 |
| 5887228 | Color image forming apparatus including process cartridge | Hiroyuki Matsushiro, Tsuyoshi Deki, Noriyuki Kimura, Hiroyuki Goto | 1999-03-23 |
| 5797069 | Developing device for image forming apparatus | Noriyuki Kimura, Hiroyuki Matsushiro, Tsuyoshi Deki | 1998-08-18 |
| 5678161 | Paper conveyer of image forming apparatus which conveys paper to a fixing device | Shigeo Kurotaka, Nobuo Iwata, Shingo Katou, Tsuyoshi Deki, Takahiro Tamiya +1 more | 1997-10-14 |
| 5599645 | Image transfer method for an image forming apparatus | Takahiro Tamiya, Nobuo Iwata, Tsuyoshi Deki | 1997-02-04 |
| 5389733 | Developing device for an image forming apparatus | Shigekazu Enoki, Yoshiaki Tanaka, Fumihiro Kitahara, Koyo Hariyama | 1995-02-14 |
| 5038823 | Device for preventing water hammer while regulating water pressure | Yasuhide Kimura, Yukihiro Fujishima | 1991-08-13 |
| 4875063 | Electrostatic recording apparatus | Hiroyuki Idenawa, Hideaki Mochimaru, Hajime Kanda, Nobuhiro Makita, Yoshiaki Tanaka +12 more | 1989-10-17 |
| 4795284 | Printing device with carriage and carrier therefor each integrally press-formed from a respective metal sheet | Makoto Yumoto, Shoji Yanagida, Tomoyuki Moriya, Mamoru Takezawa, Shingo Kato +5 more | 1989-01-03 |
| 4744687 | Paper feed roller drive system for a printer | Yasuyuki Nukaya, Tomio Wakabayashi, Iwao Mitsuki | 1988-05-17 |