KS

Koichi Sakata

Ricoh Company: 50 patents #228 of 9,818Top 3%
TO Toyota: 8 patents #3,629 of 26,838Top 15%
DE Denso: 6 patents #2,220 of 11,792Top 20%
Toshiba Memory: 4 patents #468 of 1,971Top 25%
NI Nikon: 4 patents #874 of 2,493Top 40%
RC Rocoh Company: 1 patents #9 of 21Top 45%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
WP Wintech Polymer: 1 patents #10 of 21Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #29,314 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
9188878 Driving system and driving method, exposure apparatus and exposure method, and driving system design method Hiroshi Fujimoto, Kazuaki Saiki 2015-11-17
9093920 Discharge control apparatus for power converting system with capacitor Yoshiyuki Hamanaka, Tsuneo Maebara, Yusuke Shindo 2015-07-28
9029061 Carrier, developer using the carrier, and developing device, image forming method, image forming apparatus and process cartridge using the developer Minoru Masuda, Hisashi Nakajima, Kimitoshi Yamaguchi, Yutaka Takahashi, Hitoshi Iwatsuki +2 more 2015-05-12
8918025 Image forming method and image forming apparatus Hiroshi Tohmatsu, Shigenori Yaguchi, Hitoshi Iwatsuki, Toyoaki Tano, Mariko Takii 2014-12-23
8916325 Carrier for developing electrostatic latent image, tow-component developer and image forming method Shigenori Yaguchi, Hiroshi Tohmatsu, Hitoshi Iwatsuki, Hiroyuki Kishida, Toyoaki Tano 2014-12-23
8903270 Developing device, image forming apparatus, and process cartridge Shigenori Yaguchi, Toyoshi Sawada, Hitoshi Iwatsuki, Hiroyuki Kishida 2014-12-02
8877418 Developing method and image forming method Hisashi Nakajima, Kimitoshi Yamaguchi, Shigenori Yaguchi, Hitoshi Iwatsuki, Toyoaki Tano +4 more 2014-11-04
8848408 Discharge control device of electric power conversion system Yusuke Shindo, Tsuneo Maebara 2014-09-30
8829861 Power converter Yoshiyuki Hamanaka 2014-09-09
8825252 Vehicle and control method therefor Tomoko Shimana 2014-09-02
8787804 Developing device including a developer container with toner particles and magnetic carrier particles (Rz=0.5−3.0 gm) and a developer bearing member (Rz=10−30 gm), and an image forming apparatus and process cartridge containing the same Hiroyuki Kishida, Shigenori Yaguchi, Toyoshi Sawada, Toyoaki Tano 2014-07-22
8652738 Contact developing method, image forming apparatus, and process cartridge Kimitoshi Yamaguchi, Shigenori Yaguchi, Hitoshi Iwatsuki, Mariko Takii, Toyoshi Sawada +4 more 2014-02-18
8652735 Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer Shigenori Yaguchi, Toyoshi Sawada, Kimitoshi Yamaguchi, Hitoshi Iwatsuki, Hiroshi Tohmatsu +3 more 2014-02-18
8637218 Carrier for developing electrostatic latent image and developer Shigenori Yaguchi, Kimitoshi Yamaguchi, Toyoshi Sawada, Hiroshi Tohmatsu, Hiroyuki Kishida 2014-01-28
8518626 Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and apparatus and process cartridge using the developer Saori Yamada, Minoru Masuda, Hisashi Nakajima, Kimitoshi Yamaguchi, Hitoshi Iwatsuki +3 more 2013-08-27
8512928 Carrier for developing electrostatic latent image, and two-component developer, supplemental developer, image forming apparatus, process cartridge, and image forming method using the carrier Hiroyuki Kishida, Shigenori Yaguchi, Kimitoshi Yamaguchi, Toyoshi Sawada, Hiroshi Tohmatsu +3 more 2013-08-20
8512929 Latent electrostatic image developing carrier, two-component developer and image forming method Hitoshi Iwatsuki, Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Toyoaki Tano 2013-08-20
8481239 Carrier for two-component developer Hisashi Nakajima, Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Hitoshi Iwatsuki +2 more 2013-07-09
8475989 Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and process cartridge using the developer Yutaka Takahashi, Minoru Masuda, Kimitoshi Yamaguchi, Hisashi Nakajima, Hitoshi Iwatsuki +3 more 2013-07-02
8431312 Carrier, developer, and image forming method Minoru Masuda, Kimitoshi Yamaguchi, Yutaka Takahashi, Hitoshi Iwatsuki 2013-04-30
8257896 Carrier Minoru Masuda, Kimitoshi Yamaguchi, Yutaka Takahashi, Hitoshi Iwatsuki, Toyoaki Tano 2012-09-04
8247150 Carrier for developing electrostatic latent image, two-component developer, supplemental developer, process cartridge, and image forming method Hitoshi Iwatsuki, Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi 2012-08-21
8211610 Carrier for use in developer developing electrostatic image, developer using the carrier, and image forming method and apparatus and process cartridge using the developer Kimitoshi Yamaguchi, Minoru Masuda, Yutaka Takahashi, Hitoshi Iwatsuki, Toyoaki Tano 2012-07-03
8142900 Laser-weldable resin composition and molded product 2012-03-27
8145101 Developing device, image forming apparatus and process cartridge in which a shock is applied intermittently to the discharged developer Junichi Terai, Koichi Kato, Maiko Koeda, Kentaroh Tomita, Kiyonori Tsuda 2012-03-27