Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201942 | Developer-carrying member, and developing device and image forming apparatus including the member | Takao Honda, Nobuaki Hara, Tsuyoshi Watanabe, Keitaro Yamashita, Hiromi Kashiwagi | 2001-03-13 |
| 5574545 | Method for transferring toner from developer carrying member to image bearing member using chains of magnetic particles formed on developer carrying member and contacting image bearing member, and alternating electric field | Atsushi Hosoi, Takashi Saito, Norihisa Hoshika, Hiroshi Tajika, Masaaki Yamaji | 1996-11-12 |
| 5298961 | Image forming apparatus with parallel exposure processing | — | 1994-03-29 |
| 5239343 | Developing apparatus with regulating member having magnetic and non-magnetic members | Yuji Sakemi, Kenji Okado, Masahiro Inoue | 1993-08-24 |
| 5187535 | Image forming apparatus | — | 1993-02-16 |
| 5075728 | Developing apparatus with developer leak prevention | Yoshiaki Kobayashi | 1991-12-24 |
| 5045420 | Color image forming method and particulate developer for developing electrostatic latent image | Nagao Hosono, Shinkichi Takahashi | 1991-09-03 |
| 5030996 | Image forming apparatus with AC bias voltages for preventing developer mixture | Yoshiaki Kobayashi | 1991-07-09 |
| 4954404 | Developing method and device and color image forming method and apparatus using same | Masahiro Inoue, Yuji Sakemi, Kenji Okado | 1990-09-04 |
| 4936249 | Developing apparatus having a two pole stationary magnet | Takahiro Kubo | 1990-06-26 |
| 4933254 | Method and apparatus for transferring toner from carrying member to image bearing member using chains of magnetic particles | Atsushi Hosoi, Takashi Saito, Norihisa Hoshika, Hiroshi Tajika, Masaaki Yamaji | 1990-06-12 |
| 4929981 | Developing apparatus | Takahiro Kubo | 1990-05-29 |
| 4916492 | Developer method and apparatus | Norihisa Hoshika, Masaaki Yamaji, Atsushi Hosoi, Hiroshi Tajika | 1990-04-10 |
| 4895105 | Developing apparatus with pressure regulating member | Takahiro Kubo | 1990-01-23 |
| 4887131 | Developing apparatus using magnetic particles and toner particles | Masahide Kinoshita, Norihisa Hoshika, Hiroshi Tajika, Atsushi Hosoi | 1989-12-12 |
| 4876574 | Developing apparatus | Takahiro Kubo, Hiroshi Tajika | 1989-10-24 |
| 4873551 | Developing apparatus using magnetic carrier under AC field | Atsushi Hosoi, Norihisa Hoshika, Hiroshi Tajika, Masahide Kinoshita | 1989-10-10 |
| 4838200 | Developing apparatus | Atsushi Hosoi | 1989-06-13 |
| 4669852 | Developing apparatus | Kimio Nakahata, Hidemi Egami, Fumitaka Kan, Atsushi Hosoi | 1987-06-02 |
| 4660958 | Developing apparatus | Hidemi Egami, Fumitaka Kan, Atsushi Hosoi, Shunji Nakamura, Kimio Nakahata | 1987-04-28 |
| 4638760 | Developing apparatus | Shunji Nakamura, Fumitaka Kan, Hidemi Egami, Atsushi Hosoi, Kimio Nakahata | 1987-01-27 |
| 4637706 | Developer thin layer forming apparatus | Atsushi Hosoi, Fumitaka Kan, Hidemi Egami, Shunji Nakamura, Kimio Nakahata | 1987-01-20 |
| 4610531 | Developing method and apparatus | Nobuhiro Hayashi, Kimio Nakahata, Shunji Nakamura | 1986-09-09 |
| 4607938 | Method and apparatus for forming a thin layer of developer | Atsushi Hosoi, Kimio Nakahata, Hidemi Egami, Fumitaka Kan, Shunji Nakamura | 1986-08-26 |
| 4590140 | Toner application method and treated magnetic particles for use therein | Yasuo Mitsuhashi, Masanori Takenouchi, Masaki Uchiyama, Motoo Urawa, Kenji Okado | 1986-05-20 |