Issued Patents 2003
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655810 | Lighting unit | Keiji Hayashi, Takeshi Gotoh, Toshihiro Suzuki, Hisashi Yamaguchi, Tetsuya Hamada +1 more | 2003-12-02 |
| 6647230 | Image-forming apparatus for use with negatively-charged toner and featuring a negatively-chargeable image-bearing member, and process cartridge using same | Yasuyuki Ishii, Tsuyoshi Nakagawa, Shinji Uehara | 2003-11-11 |
| 6643484 | Image forming apparatus including image bearing member rotatable at different peripheral velocities | Katsuhiro Kojima, Yasuyuki Ishii | 2003-11-04 |
| 6639642 | Display device having diffraction grating | Toshihiro Suzuki, Yukio Iigahama, Hisashi Yamaguchi, Takeshi Gotoh, Tetsuya Hamada +7 more | 2003-10-28 |
| 6623675 | Manufacturing method of a cushion member | Masashi Tanaka | 2003-09-23 |
| 6608482 | Battery control method for hybrid vehicle | Shoji Sakai | 2003-08-19 |
| 6574444 | Developing apparatus wherein seal-inflicted damage to an end edge of a developing roller is prevented | Shinji Uehara, Yasuyuki Ishii, Tsuyoshi Nakagawa | 2003-06-03 |
| 6559910 | Display device with condenser elements | Toshihiro Suzuki, Takeshi Gotoh, Tetsuya Hamada, Keiji Hayashi, Mari Sugawara +3 more | 2003-05-06 |
| 6552760 | Luminaire with improved light utilization efficiency | Takeshi Gotoh, Toshihiro Suzuki, Tetsuya Hamada, Mari Sugawara, Keiji Hayashi +2 more | 2003-04-22 |
| 6529699 | Image forming apparatus and process cartridge detachably attachable to image forming apparatus comprising an image bearing body, and a developer carrying body | Yasuyuki Ishii, Tsuyoshi Nakagawa, Shinji Uehara | 2003-03-04 |
| 6513936 | Projector | Masaru Ishiwa, Keiji Hayashi, Toshihiro Suzuki, Tetsuya Hamada, Takeshi Gotoh +1 more | 2003-02-04 |