HS

Hideyasu Seki

Ricoh Company: 24 patents #864 of 9,818Top 9%
Overall (All Time): #173,598 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9897947 Image forming apparatus executing charge removal for photoconductor thereof and control method for same Yuka Kanatani, Yuushi Hirayama, Kazufumi Kimura, Ryota Kidera, Masanori MORO +1 more 2018-02-20
9366985 Electric charging-diselectrifying device, process cartridge with electric charging-diselectrifying device, and image forming apparatus with process cartridge Satoshi Hatori, Takeshi Fukao, Yuta Kawashima 2016-06-14
9367022 Toner conveyance device and image forming apparatus incorporating same Yuta Kawashima, Satoshi Hatori, Takeshi Fukao 2016-06-14
9354538 Charging device and image forming apparatus incorporating same Satoshi Hatori, Takeshi Fukao, Yuta Kawashima 2016-05-31
9310707 Process cartridge capable of suppressing filming and image forming apparatus with same Satoshi Hatori, Takeshi Fukao, Yuta Kawashima 2016-04-12
9256190 Lubricant supplying device, image forming apparatus, and process cartridge Satoshi Hatori, Ryohta Gotoh, Akira Fujimori, Naohiro Kumagai, Kaoru Yoshino +4 more 2016-02-09
9207625 Lubricant supply device, process unit, image forming apparatus, and process unit manufacturing method Ryohta Gotoh, Kaoru Yoshino, Satoshi Hatori, Hiromichi Ninomiya, Nobuyuki Taguchi +5 more 2015-12-08
9201336 Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner Osamu Endou, Yasuyuki Ishii, Yoshiko Ogawa, Yuuji Ishikura, Toshio Koike +1 more 2015-12-01
9176457 Image forming apparatus and waste toner conveying device incorporated in same Kaoru Yoshino, Satoshi Hatori, Naohiro Kumagai, Akira Fujimori, Ryohta Gotoh 2015-11-03
9158228 Development device and image forming apparatus incorporating same Yoshiko Ogawa, Osamu Endou, Yasuyuki Ishii, Yuuji Ishikura, Tetsuro Hirota 2015-10-13
9128452 Lubricant supply system, image forming apparatus, and process cartridge Satoshi Hatori, Kenji Honjoh, Ryohta Gotoh, Akira Fujimori, Kaoru Yoshino +6 more 2015-09-08
9104171 Detachable unit and image forming apparatus incorporating same Yuta Azeyanagi, Hiromichi Ninomiya, Satoshi Hatori, Naohiro Kumagai, Nobuyuki Taguchi +3 more 2015-08-11
9081347 Lubricant supplying device, image forming apparatus, and process cartridge Akira Fujimori, Satoshi Hatori, Naohiro Kumagai, Kaoru Yoshino, Ryohta Gotoh +6 more 2015-07-14
9068693 Lubricant supplying device, image forming apparatus, and process cartridge Satoshi Hatori, Ryohta Gotoh, Akira Fujimori, Naohiro Kumagai, Kaoru Yoshino +4 more 2015-06-30
9063500 Lubricant applicator, image forming apparatus, and process cartridge Ryohta Gotoh, Satoshi Hatori, Naohiro Kumagai, Kaoru Yoshino, Akira Fujimori 2015-06-23
9052669 Lubricant applicator, image forming apparatus, and process cartridge Daisuke Tomita, Takeshi Shintani, Norio Kudo, Kenji Honjoh, Satoshi Hatori +5 more 2015-06-09
9008546 Image carrier, process cartridge, and image forming apparatus Nobuyuki Taguchi, Satoshi Hatori, Naohiro Kumagai, Kaoru Yoshino, Hiromichi Ninomiya +3 more 2015-04-14
8948638 Image forming apparatus Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Masaaki Yamada +4 more 2015-02-03
8929782 Development device, and image forming apparatus and process cartridge incorporating same Osamu Endou, Yasuyuki Ishii, Tetsuro Hirota, Yoshiko Ogawa, Atsushi Kurokawa +1 more 2015-01-06
8909122 Lubricant supplying device, image forming apparatus, and process cartridge Ryohta Gotoh, Satoshi Hatori, Naohiro Kumagai, Akira Fujimori, Kaoru Yoshino 2014-12-09
8897681 Developing device, image forming apparatus, and image forming method Tetsuro Hirota, Hideki Kosugi, Masaaki Yamada, Atsushi Kurokawa, Yasuyuki Ishii 2014-11-25
8855507 Lubricant supplying device, and image forming apparatus Satoshi Hatori, Naohiro Kumagai, Kaoru Yoshino, Akira Fujimori, Ryohta Gotoh +4 more 2014-10-07
8824935 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Masaaki Yamada, Atsushi Kurokawa 2014-09-02
8594540 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Tetsuro Hirota, Hideki Kosugi, Yoshiko Ogawa, Atsushi Kurokawa, Masaaki Yamada +1 more 2013-11-26