Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8089647 | Information processing device and method, and data communication system for acquiring document data from electronic paper | Hiroyuki Hotta, Yoshitsugu Hirose, Yoko Ogura, Yasunori Saito | 2012-01-03 |
| 7924238 | Image forming apparatus with members that bring a light emitting device in proximity to a recording medium | Yasunori Saito, Tsutomu Ishii, Minoru Koshimizu | 2011-04-12 |
| 7920112 | Electronic paper system, image processing apparatus for electronic paper system storage medium storing image processing program, and image writing method using image processing apparatus | Yoko Kurihara, Tsunemasa Mita, Minoru Koshimizu, Yasunori Saito, Tsutomu Ishii | 2011-04-05 |
| 7857203 | System for writing information and method of writing information | Yasunori Saito, Minoru Koshimizu, Daisuke Tsuda, Tsunemasa Mita, Tsutomu Ishii +8 more | 2010-12-28 |
| 7793847 | Coin-shaped recording medium, recording medium processing device | Takeshi Kakinuma, Takahiro Ono, Tsutomu Ishii, Shigeru Yamamoto | 2010-09-14 |
| 7578429 | System for writing information and method of writing information | Yasunori Saito, Minoru Koshimizu, Daisuke Tsuda, Tsunemasa Mita, Tsutomu Ishii +8 more | 2009-08-25 |
| 7576760 | Multi-level optical writer | Minoru Koshimizu, Tsutomu Ishii, Yasunori Saito | 2009-08-18 |
| 7533104 | Information management system and information management method | Yoshitsugu Hirose, Tsutomu Ishii, Minoru Koshimizu, Tsunemasa Mita, Yasunori Saito +4 more | 2009-05-12 |
| 7455216 | Printed-matter issuing managing system, printed-matter verifying device and contents managing device | — | 2008-11-25 |
| 7225403 | Display system with a display having a memory characteristic and a display having no memory characteristic, display method, and display program | Tsunemasa Mita, Daisuke Tsuda, Minoru Koshimizu, Tsutomu Ishii, Yasunori Saito | 2007-05-29 |
| 7219973 | Image-forming device and method | Tsunemasa Mita, Daisuke Tsuda, Minoru Koshimizu, Yasunori Saito, Tsutomu Ishii | 2007-05-22 |
| 6908036 | Display and record medium and information writer | Minoru Koshimizu, Daisuke Tsuda, Tsutomu Ishii, Yasunori Saito, Tsunemasa Mita | 2005-06-21 |
| 5963765 | Method and device for developing an electrostatic latent image based on toner amount and image formation system using the developing device | Kei Hirata, Tomio Ohnuki, Hiroo Soga | 1999-10-05 |
| 5752141 | Rotating type developing apparatus | Masayuki Nishimura, YUUSAKU HASHIMOTO, Takeshi Okoshi, Yoshifumi Ozaki, Katsumi Harumoto +4 more | 1998-05-12 |
| 5629120 | Electrostatic image developing carrier and electrostatic image developer | Manabu Serizawa, Haruhide Ishida, Sakon Takahashi | 1997-05-13 |
| 5439772 | Magnetic toner and process for producing the same | Seiichi Takagi, Toyofumi Inoue | 1995-08-08 |
| 5178984 | Electrophotographic toner | Atuhiko Eguchi, Takayoshi Aoki | 1993-01-12 |
| 5176979 | Electrophotographic toner having a surface treated silica particle | Atuhiko Eguchi, Takayoshi Aoki | 1993-01-05 |
| 5155000 | Toner composition containing TiO.sub.2 particles | Yasuo Matsumura, Takayoshi Aoki, Masayuki Takeda, Chiaki Suzuki | 1992-10-13 |
| 5110703 | Carrier for developer | Chiaki Suzuki, Masayuki Takeda, Yasuo Matsumura, Takayoshi Aoki | 1992-05-05 |
| 5106715 | Toner composition with polyethylene and inorganic external additive | Yasuo Matsumura, Chiaki Suzuki, Koichi Kumashiro, Masao Mochizuki | 1992-04-21 |
| 5059504 | Carrier for developer | Masayoshi Shinoki, Masahiro Takagi, Koichi Kumashiro, Takayoshi Aoki, Masayuki Takeda | 1991-10-22 |
| 5013626 | Carrier of a magnetic powder dispersed type | Yasuo Matsumura, Takayoshi Aoki, Masao Mochizuki | 1991-05-07 |
| 4965160 | Electrophotographic developer carrier particles coated with binder resin | Yasuo Matsumura, Masayuki Takeda, Chiaki Suzuki, Takayoshi Aoki | 1990-10-23 |
| 4929528 | Coated carrier for developer | Masayoshi Shinoki, Masahiro Takagi, Koichi Kumashiro, Takayoshi Aoki, Masayuki Takeda | 1990-05-29 |