Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10915035 | Carrier for developing electrostatic latent image, two-component developer, developer for replenishment, image forming device, process cartridge, and image forming method | Haruki Murata, Hiroyuki Kishida, Toyoaki Tano, Kenichi Mashiko, Masato Taikoji +1 more | 2021-02-09 |
| 10197948 | Developing device and image forming apparatus | Hitoshi Iwatsuki, Koichi Sakata, Hiroshi Tohmatsu, Toyoaki Tano, Kenichi Mashiko +5 more | 2019-02-05 |
| 10067438 | Electrostatic latent image developing white developer, image forming method, image forming apparatus, and process cartridge | Hiroshi Tohmatsu, Hitoshi Iwatsuki, Mariko Takii, Koichi Sakata, Hiroyuki Kishida +2 more | 2018-09-04 |
| 10054868 | Carrier, two-component developer, developer for replenishment, process cartridge, image forming apparatus, and image forming method | Hiroyuki Kishida, Kenichi Mashiko, Mariko Takii, Haruki Murata | 2018-08-21 |
| 10031434 | Carrier and developer | Mariko Takii, Takahiro Nakamura, Kei Niwayama, Haruki Murata, Masato Taikoji +1 more | 2018-07-24 |
| 10025214 | Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridge | Masashi Nagayama, Mariko Takii, Haruki Murata, Kei Niwayama, Tohru Suganuma +4 more | 2018-07-17 |
| 9989874 | Carrier for developing electrostatic latent images, two-component developer, image forming apparatus, toner storing unit, and supplemental developer | Toyoaki Tano, Hiroyuki Kishida, Masato Taikoji, Kenichi Mashiko, Mariko Takii +1 more | 2018-06-05 |
| 9946177 | Carrier, two-component developer, image forming apparatus, process cartridge, and image forming method | Koichi Sakata, Masashi Nagayama, Toyoaki Tano, Hiroyuki Kishida | 2018-04-17 |
| 5839013 | Image forming apparatus having a test mode | Seiya Nishiwaki | 1998-11-17 |
| 5784675 | Image forming apparatus with recording material carrying member having recesses | Masahiro Inoue, Tatsuo Takeuchi, Rie Saito, Yasuo Nami, Rie Nakashimizu | 1998-07-21 |
| 5689790 | Image forming apparatus with space particle layer formed on transfer drum | Takahiro Kubo, Takashi Hasegawa, Satoshi Tamura | 1997-11-18 |
| 5652650 | Color image apparatus including a plurality of developing devices having a particular sequence of operation | Takeshi Menjo, Hisashi Fukushima, Takashi Hasegawa | 1997-07-29 |
| 5619746 | Image forming apparatus having recording material bearing member | Takahiro Kubo, Hisashi Fukushima, Takeshi Menjo, Takashi Hasegawa, Satoshi Tamura | 1997-04-08 |
| 5589920 | Image forming apparatus in which plural transfer media are carried concurrently | Takahiro Kubo, Masashi Suda, Takashi Hasegawa, Satoshi Tamura, Hisashi Fukushima +1 more | 1996-12-31 |
| 5589926 | Color image forming apparatus for forming a color image by transferring color toner to transfer member | Hisashi Fukushima, Takeshi Menjo, Takashi Hasegawa | 1996-12-31 |
| 5121163 | Transfer type image forming apparatus with toner content detection | Masanori Muramatsu, Yuji Hasegawa | 1992-06-09 |
| 5036364 | Image forming apparatus including developer carrying member having repelling magnetic brush | — | 1991-07-30 |
| 4982239 | Image forming apparatus having reciprocating cleaning means | Nobuyuki Kume | 1991-01-01 |
| 4860048 | Image forming apparatus | Masahiro Itoh, Atsushi Takeda, Hiroaki Tsuchiya, Kimio Nakahata | 1989-08-22 |
| 4814886 | Image processing process and apparatus therefor | Tsukasa Kuge, Takahiro Inoue, Yasushi Sato, Akio Suzuki, Hiroshi Sasame +1 more | 1989-03-21 |
| 4719489 | Recording apparatus having material feed mode dependent fixing control | Masaharu Ohkubo, Yasumasa Ohtsuka, Jun Asai | 1988-01-12 |
| 4626096 | Image forming apparatus for forming a visual image in accordance with image signals | Yasumasa Ohtsuka, Jun Asai, Hiroshi Sasame, Masaharu Ohkubo | 1986-12-02 |
| 4579082 | Developing apparatus | Kimio Nakahata | 1986-04-01 |
| 4568176 | Method for maintenance of image forming device and member therefor | — | 1986-02-04 |
| 4563694 | Image information recording apparatus | Masaharu Ohkubo, Yasumasa Ohtsuka, Jun Asai | 1986-01-07 |