Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7618761 | Toner for electrostatic image development, manufacturing method thereof, electrostatic image developer and image forming method | Takeshi Shoji, Hiroshi Nakazawa, Shuji Sato, Eisuke Iwazaki | 2009-11-17 |
| 7560211 | Toner for electrostatic charge development, method for manufacturing the toner, and method for forming an image | Takao Ishiyama, Hiroshi Nakazawa | 2009-07-14 |
| 7531276 | Color image forming method and color toner forming method | Takao Ishiyama, Hiroshi Nakazawa | 2009-05-12 |
| 7396628 | Toner for electrostatic charge image developing, developer for electrostatic charge image developing, and image forming apparatus | Hiroshi Nakazawa, Takao Ishiyama | 2008-07-08 |
| 7374854 | Image-forming method and image-forming apparatus using the same | Hiroshi Nakazawa, Takao Ishiyama, Toshiyuki Yano | 2008-05-20 |
| 7368214 | Electrostatic latent image developing toner and manufacturing method thereof | Takao Ishiyama, Hiroshi Nakazawa, Hideo Maehata, Yutaka Sugizaki, Shinpei Takagi | 2008-05-06 |
| 7267920 | Toner for developing electrostatic latent images, production method thereof, and electrostatic latent image developer using the same | Hiroshi Nakazawa, Yutaka Sugizaki, Kazufumi Tomita, Shuji Sato, Akira Matsumoto +2 more | 2007-09-11 |
| 7229076 | Mechanical seal | Mitsuru Kudari | 2007-06-12 |
| 7063927 | Toner for electrostatic latent image development, electrostatic latent image developer, process for preparing toner for electrostatic latent image development, and image forming method | Toshiyuki Yano | 2006-06-20 |
| 6878498 | Electrostatic latent image developing toner, its production method, developer, image-forming device and image-forming method | Susumu Yoshino, Koutarou Yoshihara | 2005-04-12 |
| 6733938 | Toner for developing electrostatic latent image, two-component developer, and image-forming process | Yasuhiro Oya, Hidekazu Yaguchi, Hirokazu Hamano, Haruhide Ishida | 2004-05-11 |
| 6444389 | Toner for developing electrostatic latent image, two-component developer and image-forming process | Yasuhiro Oya, Hidekazu Yaguchi, Hirokazu Hamano, Haruhide Ishida | 2002-09-03 |
| 6345165 | Full-color toner cartridge, method for supplying toner from cartridge and method for filling toner cartridge with toner | Hiroshi Takano, Yuusaku Shibuya, Fumiaki Mera, Haruhide Ishida | 2002-02-05 |
| 6203958 | Toner and method of image formation using the same | Yasuhiro Oya, Susumu Yoshino, Hirokazu Hamano, Kaori Oishi, Tetsuya Taguchi +1 more | 2001-03-20 |
| 6187489 | Electrostatic latent image developing toner and image-forming process | Kaori Oishi, Susumu Yoshino, Yasuhiro Oya, Hirokazu Hamano, Tetsuya Taguchi +1 more | 2001-02-13 |
| 6132915 | Image-forming process | Susumu Yoshino, Yasuhiro Oya, Hirokazu Hamano, Koutarou Yoshihara, Kaori Oishi +2 more | 2000-10-17 |
| 6083575 | Polymer dispersion type liquid crystal element and manufacturing method thereof | Shigeru Yamamoto, Takehito Hikichi, Kiyosui Sagawa, Naoki Hiji, Tei-ichi Suzuki | 2000-07-04 |
| 5707543 | Reversible display medium | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1998-01-13 |
| 5691092 | Method for producing optical element | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-11-25 |
| 5679414 | Liquid crystal-polymer composite film, electro-optical element using the same, and process for producing electro-optical element | Ryojiro Akashi | 1997-10-21 |
| 5670083 | Optical element and process for producing the same | Ryojiro Akashi, Takashi Uematsu, Takashi Morikawa | 1997-09-23 |
| 5671211 | Data recording medium | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-09-23 |
| 5654046 | Optical element | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-08-05 |
| 5589237 | Reversible display medium | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1996-12-31 |
| 5498450 | Liquid crystal-polymer composite film, electro-optical element using the same, and process for producing electro-optical element | Ryojiro Akashi | 1996-03-12 |