Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8652729 | Toner for electrostatic image development, developer for electrostatic image development, developer cartridge, process cartridge, and image-forming apparatus, and image-forming method | Junichi Tomonaga | 2014-02-18 |
| 8652730 | Electrostatic image developing toner, electrostatic image developer, process cartridge, image forming apparatus, and image forming method | Junichi Tomonaga | 2014-02-18 |
| 8586275 | Electrostatic-latent-image-developing toner, electrostatic latent image developer, process for producing electrostatic-latent-image-developing toner, image-forming method, and image-forming apparatus | Junichi Tomonaga, Yasunobu KASHIMA | 2013-11-19 |
| 8535866 | Yellow electrostatic developing toner, developer for electrostatic development, production method of electrostatic developing toner, image forming method and image forming apparatus | Junichi Tomonaga, Yasunobu KASHIMA | 2013-09-17 |
| 8304156 | Magenta electrostatic developing toner, developer for electrostatic development, production method of electrostatic developing toner, image forming method and image forming apparatus | Junichi Tomonaga, Yasunobu KASHIMA | 2012-11-06 |
| 8238204 | Apparatus and method for managing key in library apparatus | Yoshiharu Itou, Kinya Saito, Kenichi Utsumi, Reisuke Nakagawa, Ichirou Sakuma +1 more | 2012-08-07 |
| 7768733 | Method for erasing data from magnetic tape storage media | Kimya Saito, Kenichi Utsumi, Reisuke Nakagawa, Ichirou Sakuma, Hiroyasu Inagaki | 2010-08-03 |
| 7422834 | Electrostatic latent image developing magenta toner, electrostatic latent image developer, toner manufacturing method, and image forming method | Takashi Hara, Kazuya Mori, Junichi Tomonaga, Yuji Isshiki, Takahiro Mizuguchi +4 more | 2008-09-09 |
| 7139147 | Apparatus and method for drive control, and computer product | Mitsuru Yasue, Kinya Saito, Kenichi Utsumi, Reisuke Nakagawa, Ichirou Sakuma +2 more | 2006-11-21 |
| 6754038 | Library apparatus having pressing device for correcting alignment of a leader block on a cartridge tape | Yoshiki Akiyama | 2004-06-22 |
| 6184643 | Apparatus for automatically conveying cartridges | Yoshiki Akiyama | 2001-02-06 |
| 6058337 | Apparatus for automatically conveying cartridges | Yoshiki Akiyama | 2000-05-02 |
| 6023391 | Magnetic tape machine | Kengo Yamakawa, Katsumi Inazawa, Yukio Katsuyama, Kenichi Utsumi, Yoshiki Akiyama | 2000-02-08 |
| 5742445 | Magnetic tape machine using friction data in controlling accessor speed | Katsumi Inazawa, Yoshiki Akiyama | 1998-04-21 |