Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323282 | Dry toner, method for producing dry toner, and method for forming an image | Motoya Fukushima, Hitoshi Itabashi, Yasushi Katsuta, Emi Tosaka, Norikazu Fujimoto | 2008-01-29 |
| 7252917 | Dry toner, method for producing dry toner, and method for forming an image | Motoya Fukushima, Hitoshi Itabashi, Yasushi Katsuta, Emi Tosaka, Norikazu Fujimoto | 2007-08-07 |
| 7233011 | Method of generation of charged particle beam exposure data and charged particle beam exposure method using a block mask | Takashi Maruyama | 2007-06-19 |
| 6855471 | Toner and image-forming method | Yasushi Katsuta, Masanori Ito, Emi Tosaka | 2005-02-15 |
| 6806016 | Toner for developing electrostatic images and image forming method | Satoshi Yoshida, Satoshi Handa, Akira Hashimoto, Keiji Komoto | 2004-10-19 |
| 6667140 | Toner and image forming method | Emi Tosaka, Motoya Fukushima, Yasushi Katsuta | 2003-12-23 |
| 6610454 | Toner and image forming method | Akira Hashimoto, Tsutomu Kukimoto, Tsuyoshi Takiguchi, Yasukazu Ayaki, Satoshi Handa +2 more | 2003-08-26 |
| 6528224 | Toner for developing electrostatic images and image forming method | Satoshi Yoshida, Satoshi Handa, Akira Hashimoto, Keiji Komoto | 2003-03-04 |
| 6447968 | Magnetic toner, process for producing magnetic toner, and image forming method | — | 2002-09-10 |
| 6447970 | Toner containing aluminum benzilic acid compound and image forming method | Satoshi Matsunaga, Koji Inaba, Satoshi Handa, Ryota Kashiwabara | 2002-09-10 |
| 6365314 | Toner for developing electrostatic image, image forming method and process cartridge | Koichi Tomiyama, Takaaki Kohtaki, Makoto Unno, Yushi Mikuriya, Nobuyuki Okubo +2 more | 2002-04-02 |
| 6346356 | Toner, toner production process, and image-forming method | Toshiyuki Ugai, Ryoichi Fujita, Shinya Yachi, Yasushi Katsuta, Kenichi Nakayama | 2002-02-12 |
| 6337169 | Toner and image forming method using the toner | Akira Hashimoto, Satoshi Yoshida, Yasukazu Ayaki, Satoshi Handa, Keiji Komoto | 2002-01-08 |
| 6222195 | Charged-particle-beam exposure device and charged-particle-beam exposure method | Akio Yamada, Satoru Sagou, Hitoshi Watanabe, Satoru Yamazaki, Kiichi Sakamoto +2 more | 2001-04-24 |
| 6214509 | Toner and image forming method | Takashige Kasuya, Tsutomu Kukimoto, Satoshi Yoshida, Hiroshi Yusa, Tsuyoshi Takiguchi +3 more | 2001-04-10 |
| 6177223 | Toner and image forming method using the toner | Akira Hashimoto, Satoshi Yoshida, Yasukazu Ayaki, Satoshi Handa, Keiji Komoto | 2001-01-23 |
| 6137111 | Charged particle-beam exposure device and charged-particle-beam exposure method | Akio Yamada, Satoru Sagou, Hitoshi Watanabe, Satoru Yamazaki, Kiichi Sakamoto +2 more | 2000-10-24 |
| 6096468 | Toner, toner production process, and image forming method | Satoshi Handa, Akira Hashimoto, Keiji Komoto, Yasukazu Ayaki | 2000-08-01 |
| 6090515 | Toner for developing electrostatic image, image forming method and process cartridge | Koichi Tomiyama, Takaaki Kohtaki, Makoto Unno, Yushi Mikuriya, Nobuyuki Okubo +2 more | 2000-07-18 |
| 6040103 | Toner for developing electrostatic image and image forming method | Takeshi Ohtake, Satoshi Matsunaga, Tadashi Doujo | 2000-03-21 |
| 6015647 | Toner for developing electrostatic image and image forming method | Toshiyuki Ugai | 2000-01-18 |
| 5998080 | Electrostatic image-developing toner and image-forming method | Tsutomu Kukimoto, Satoshi Yoshida, Yasukazu Ayaki, Satoshi Handa, Akira Hashimoto +2 more | 1999-12-07 |
| 5976755 | Image forming method featuring a residual charge control property resulting from a selected toner formulation | Satoshi Yoshida, Tsutomu Kukimoto, Yasukazu Ayaki, Satoshi Handa, Akira Hashimoto | 1999-11-02 |
| 5962176 | Toner for developing electrostatic image, image forming method and process-cartridge | Yukari Ishibashi, Nobuyuki Okubo, Shunji Suzuki | 1999-10-05 |
| 5955234 | Toner for developing electrostatic image, and image forming method | Satoshi Matsunaga, Tadashi Doujo | 1999-09-21 |