Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704659 | Toner | Yoshihiro Ogawa, Yusuke Hasegawa, Kouji Nishikawa, Miho Okazaki | 2010-04-27 |
| 7700254 | Toner with specified amounts of the THF-soluble matter having certain intrinsic viscosity | Syuhei Moribe, Katsuhisa Yamazaki, Daisuke Yoshiba, Hirata Junko, Masami Fujimoto | 2010-04-20 |
| 7678524 | Magnetic toner | Yusuke Hasegawa, Yoshihiro Ogawa, Junko Nishiyama, Miho Okazaki, Tomohisa Sano | 2010-03-16 |
| 7582401 | Toner with hybrid binder resin | Yoshihiro Ogawa, Yusuke Hasegawa, Tomohisa Sano, Junko Nishiyama, Miho Okazaki +1 more | 2009-09-01 |
| 7537877 | Toner used in electrophotography having toner particles and silica powder | Daisuke Yoshiba, Katsuhisa Yamazaki, Syuhei Moribe, Junko Nishiyama, Shuichi Hiroko +1 more | 2009-05-26 |
| 7470494 | Magnetic toner | Junko Nishiyama, Yoshihiro Ogawa, Yusuke Hasegawa, Shinichiro Abe | 2008-12-30 |
| 7457572 | Image forming method and process cartridge using specific toner regulating blade and toner | Tsutomu Onuma, Yoshihiro Ogawa, Yusuke Hasegawa, Koji Nishikawa, Tomohisa Sano +2 more | 2008-11-25 |
| 7422832 | Magnetic toner | Yoshihiro Ogawa, Syuhei Moribe, Kouji Nishikawa | 2008-09-09 |
| 7402368 | Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner | Yoshihiro Ogawa, Kaori Hiratsuka | 2008-07-22 |
| 7368211 | Magnetic toner | Yusuke Hasegawa, Yoshihiro Ogawa, Shinichiro Abe, Junko Nishiyama | 2008-05-06 |
| 7288354 | Toner | Shuhei Moribe, Nobuyuki Okubo, Tsutomu Onuma, Hideto Iida, Koji Nishikawa | 2007-10-30 |
| 7273686 | Toner | Tsutomu Onuma, Nobuyuki Okubo, Hideto Iida, Koji Nishikawa, Shuhei Moribe | 2007-09-25 |
| 7267919 | Toner | Syuhei Moribe, Hiroshi Yusa, Yoshihiro Ogawa | 2007-09-11 |
| 7241547 | Toner, method for forming image using the toner, and process cartridge | Tsuyoshi Takiguchi, Yosuke Morikawa, Kimihiro Yoshimura, Katsuhisa Yamazaki, Kaori Hiratsuka | 2007-07-10 |
| 7238387 | Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner | Yoshihiro Ogawa, Kaori Hiratsuka | 2007-07-03 |
| 7150953 | Developer | Katsuhisa Yamazaki, Tsuyoshi Takiguchi, Kaori Hiratsuka | 2006-12-19 |
| 7141343 | Toner, method for forming image using the toner, and process cartridge | Tsuyoshi Takiguchi, Yosuke Morikawa, Kimihiro Yoshimura, Katsuhisa Yamazaki, Kaori Hiratsuka | 2006-11-28 |
| 7097951 | Toner | Syuhei Moribe, Hiroshi Yusa, Yoshihiro Ogawa | 2006-08-29 |
| 7001703 | Toner | Syuhei Moribe, Hiroshi Yusa, Yoshihiro Ogawa | 2006-02-21 |
| 6881527 | Toner, and process cartridge | Shuhei Moribe, Hirohide Tanikawa, Hiroshi Yusa, Yoshihiro Ogawa, Hideto Iida +1 more | 2005-04-19 |
| 6875549 | Dry toner, toner production process, image forming method and process cartridge | Katsuhisa Yamazaki, Hirohide Tanikawa, Hiroshi Yusa, Yoshihiro Ogawa, Shuhei Moribe | 2005-04-05 |
| 6703176 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Tadashi Dojo +4 more | 2004-03-09 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Tadashi Dojo +4 more | 2003-07-01 |
| 6537715 | Toner, image-forming method and process cartridge | Yuichi Mizoo, Takeshi Naka, Masami Azuma, Tadashi Dojo, Tsuneo Nakanishi +3 more | 2003-03-25 |
| 6485875 | Toner and resin composition for the toner | Yuki Karaki, Hiroshi Yusa, Yoshihiro Ogawa | 2002-11-26 |