Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968267 | Method for developing an electrostatic latent image | Toshiya Natsuhara, Junya Hirayama, Masahiko Matsuura, Shigeo Uetake | 2011-06-28 |
| 7949284 | Image forming apparatus | Junya Hirayama, Toshiya Natsuhara, Shigeo Uetake | 2011-05-24 |
| 7761041 | Developing apparatus, image forming apparatus and method for forming image using opposite polarity particles | Toshiya Natsuhara, Junya Hirayama, Shigeo Uetake | 2010-07-20 |
| 7761040 | Image forming apparatus having developer with opposite polarity particles | Shigeo Uetake, Toshiya Natsuhara, Junya Hirayama, Masahiko Matsuura | 2010-07-20 |
| 7738814 | Development apparatus, image-forming apparatus and developing method using reverse polarity particles | Masahiko Matsuura, Toshiya Natsuhara, Junya Hirayama, Shigeo Uetake | 2010-06-15 |
| 7734227 | Developing device and image-forming apparatus using multiple-component developer | Shigeo Uetake, Yuji Nagatomo, Junya Hirayama, Masahiko Matsuura, Toshiya Natsuhara | 2010-06-08 |
| 7697873 | Development apparatus, image forming apparatus and developing method that employ a magnetic brush | Masahiko Matsuura, Toshiya Natsuhara, Junya Hirayama, Shigeo Uetake | 2010-04-13 |
| 7689150 | Image forming apparatus using trapezoidal shaped electric field and method for forming image | Shigeo Uetake, Toshiya Natsuhara, Junya Hirayama | 2010-03-30 |
| 7653335 | Developing apparatus and image forming apparatus | Junya Hirayama, Toshiya Natsuhara, Masahiko Matsuura, Shigeo Uetake | 2010-01-26 |
| 7263320 | Image forming apparatus, developing apparatus, and finely-divided toner particle collecting apparatus | Junya Hirayama, Shigeo Uetake, Masahiko Matsuura | 2007-08-28 |
| 7202675 | Device and method for measuring toner current | Shigeo Uetake, Junya Hirayama, Masahiko Matsuura, Yuji Nagatomo | 2007-04-10 |