Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815249 | Method for producing tire vulcanizing mold and tire vulcanizing mold | — | 2017-11-14 |
| 7149438 | Consumable-article detecting apparatus, method and program, and image forming apparatus | — | 2006-12-12 |
| 6341207 | Cleanerless image forming method and system therefor | Jun Kodama, Tomohisa Mikami, Masatoshi Kimura | 2002-01-22 |
| 6134395 | Image forming apparatus capable of preventing adhesion of a developer to an uncharged region of a latent image carrier | Hiroshi Nou, Masahiro Wanou, Masatoshi Kimura | 2000-10-17 |
| 6091921 | Developing device including developer leveling member | Kunihiko Sato, Takefumi Takahashi, Nobuo Kuwabara | 2000-07-18 |
| 5852757 | Electrophotographic image forming apparatus having a device for recovering residual toner | Toshio Tooda, Yoshio Yamaguchi, Nobuo Kuwabara, Mituru Sato, Haruyasu Watanabe +5 more | 1998-12-22 |
| 5845184 | Developing unit having improved toner density control | Akira Nagahara, Yoshio Yamaguchi, Shigenobu Utaka, Toshio Tooda, Haruyasu Watanabe +4 more | 1998-12-01 |
| 5778285 | Image forming apparatus for collecting residual toner from a drum using an AC voltage | Akira Nagahara, Mitsuhito Furukawa, Shigenobu Utaka, Yoshio Yamaguchi, Mitsuru Sato +3 more | 1998-07-07 |
| 5697013 | Image forming apparatus for forming images in accordance with an electrophotographic process | — | 1997-12-09 |
| 5678143 | Image forming apparatus for collecting residual toner from a drum using an AC voltage | Akira Nagahara, Mitsuhito Furukawa, Shigenobu Utaka, Yoshio Yamaguchi, Mitsuru Sato +3 more | 1997-10-14 |
| 5587774 | Cleanerless electrographic imaging device | Akira Nagahara, Mitsuhito Furukawa, Tsuneo Watanuki, Norio Sawatari, Mikio Amaya +1 more | 1996-12-24 |
| 5572298 | Image forming apparatus having a developing apparatus which includes a partition member for partitioning a developing room and a toner hopper | Akira Nagahara, Mitsuru Sato, Shigenobu Utaka, Takefumi Takahashi, Masahiro Wanou +1 more | 1996-11-05 |
| 5572299 | Developing device using two-component developer | Makoto Kato, Shin Araki, Kunihiko Sato, Naoyuki Fujimoto | 1996-11-05 |
| 5467176 | Image forming method and apparatus with magnetic brush | Tsuneo Watanuki, Yasushige Nakamura, Satoshi Takezawa, Norio Sawatari, Akira Nagahara +5 more | 1995-11-14 |
| 5448341 | Image forming apparatus | Akira Nagahara, Mitsuru Sato, Shigenobu Utaka, Takefumi Takahashi, Masahiro Wanou +1 more | 1995-09-05 |
| 5426496 | Printing apparatus | Shuji Koike, Jun Kodama, Motomichi Shibano, Nobuyuki Tanaka, Kunihiko Sato +2 more | 1995-06-20 |
| 5424489 | Magnetic brush developing apparatus | Kunihiko Sato, Akira Nagahara, Shin Araki, Hideaki Iwasaki | 1995-06-13 |
| 5396026 | Magnetic brush developing apparatus | Kunihiko Sato, Akira Nagahara, Shin Araki, Hideaki Iwasaki, Kenji Fuke +2 more | 1995-03-07 |
| 5200784 | Transferring device controlled for preventing the leading edge of a sheet from being excessively charged | Masatoshi Kimura, Hideaki Iwasaki, Kunihiko Sato, Masao Konishi, Akiyoshi Iwamasa +4 more | 1993-04-06 |
| 4804994 | Compact electrophotographic printing apparatus having an improved development means and a method for operating the same | Masahiro Wanou, Masatoshi Kimura, Junzo Nakajima | 1989-02-14 |