KE

Kazuhiro Egawa

Ricoh Company: 15 patents #1,477 of 9,818Top 20%
Overall (All Time): #321,540 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10061250 Image forming apparatus and photoconductor evaluation method Daisuke Nii, Noriyasu Saito 2018-08-28
9740116 Photoconductor, and image forming method and image forming apparatus using the photoconductor Nobutaka Eguchi, Akihiro Sugino, Hidetoshi Kami, Keisuke Shimoyama 2017-08-22
9523930 Photoconductor, and image forming method and image forming apparatus using the same Hidetoshi Kami, Nobutaka Eguchi, Akihiro Sugino, Keisuke Shimoyama 2016-12-20
9298113 Electrophotographic photoconductor, image forming apparatus, and process cartridge Toshihiro Ishida, Hiroshi Ikuno, Tetsuya Toshine, Naohiro Toda, Takafumi Iwamoto 2016-03-29
9122183 Electrophotographic photoreceptor, image forming apparatus and process cartridge Tetsuya Toshine, Hiroshi Ikuno, Naohiro Toda, Takafumi Iwamoto, Toshihiro Ishida 2015-09-01
9037067 Image forming apparatus and process cartridge Hiroshi Ikuno, Yohta Sakon, Masahiro Ohmori, Tetsuya Toshine 2015-05-19
8795935 Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridge Hidetoshi Kami, Junichi Yamazaki, Yukio Fujiwara 2014-08-05
8597863 Electrophotographic photoreceptor, method of manufacturing electrophotographic photoreceptor, process cartridge, and image forming apparatus Hidetoshi Kami, Yukio Fujiwara 2013-12-03
8557487 Electrophotographic photoconductor, method for producing electrophotographic photoconductor, and image forming apparatus Hidetoshi Kami 2013-10-15
8543037 Image forming apparatus Yukio Fujiwara, Hidetoshi Kami, Kohichi Ohshima 2013-09-24
8512924 Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the photoreceptor Hidetoshi Kami, Yukio Fujiwara 2013-08-20
8420284 Electrophotographic photoreceptor, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor Kohichi Ohshima, Hidetoshi Kami, Yukio Fujiwara 2013-04-16
8293439 Electrophotographic photorecptor, method of manufacturing electrophotographic photorecptor, image forming apparatus, and process cartridge Yukio Fujiwara, Hidetoshi Kami, Shinji Nohsho, Mayumi Yoshihara, Mihoko Matsumoto +1 more 2012-10-23
8247143 Photoreceptor, image formation method, image forming apparatus and process cartridge Yukio Fujiwara, Hidetoshi Kami 2012-08-21
8170449 Image forming apparatus and process cartridge Hidetoshi Kami, Yukio Fujiwara 2012-05-01