Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7420020 | Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method | Yasuo Yamamoto, Hideo Maehata, Yasuo Matsumura | 2008-09-02 |
| 7378210 | Electrophotographic toner and manufacturing method thereof, polyester resin for electrophotographic toner and manufacturing method thereof, electrophotographic developer and image forming method | Yasuo Yamamoto, Hideo Maehata, Yasuo Matsumura | 2008-05-27 |
| 7321460 | Particle for display device, method for manufacturing particle for display device, image display medium and image forming apparatus | Hidehiko Soyama, Yasuo Yamamoto | 2008-01-22 |
| 7205709 | Image display medium and image formation device | Yasuo Yamamoto, Hidehiko Soyama | 2007-04-17 |
| 7023608 | Particle for a display device, image display medium and image forming apparatus | Hidehiko Soyama, Yasuo Yamamoto | 2006-04-04 |
| 6965467 | Particles for display device, image display medium using the same, and image forming device | Yasuo Yamamoto | 2005-11-15 |
| 6896042 | Structure of pipe plate unit for heat exchangers and method of replacement for the pipe plate unit | Koichi Inoue, Teruaki Sakata, Hiroji Nakamae | 2005-05-24 |
| 6876486 | Particles for display device, image display medium using the same, and image forming device | Hidehiko Soyama, Yasuo Yamamoto | 2005-04-05 |
| 6809854 | Image display medium and image forming device | Yasuo Yamamoto, Kiyoshi Shigehiro, Yoshinori Machida, Takeshi Matsunaga | 2004-10-26 |
| 6683146 | Heterogeneous polymerization catalyst, process for producing acrylic polymer, and acrylic polymer | Yoshihiro Inaba | 2004-01-27 |
| 5126580 | Paper size detecting apparatus | Muneki Chuubachi | 1992-06-30 |
| 5089849 | Image forming apparatus, and method of positioning the units incorporated in an image forming apparatus | — | 1992-02-18 |
| 5061888 | Method and apparatus for driving stepping motor | — | 1991-10-29 |