NO

Norikazu Okada

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Sharp Kabushiki Kaisha: 14 patents #1,181 of 10,731Top 15%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #130,970 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
11092465 Optical encoder Masaki Tsuji, Toshiyuki Takada, Katsunori SATOH, Takashi Takaoka 2021-08-17
11025793 Power supply controlling apparatus and image forming apparatus Junpei Hosoya, Tomoyuki Yamashita, Takaaki Hirasawa, Shunta Yamahori 2021-06-01
9661169 Electric power supplying device and image processing apparatus Tomoyuki Yamashita, Atsuki Iwata, Takuma Kasai, Homare Ehara, Tetsuya Yano +4 more 2017-05-23
9640700 Optical sensor, and electronic apparatus Kohei Yasukawa 2017-05-02
9599506 Optical sensor and electronic apparatus with a first auxiliary current and current amplifier 2017-03-21
9541867 Apparatus, method, and non-transitory recording medium for power generation using heat in image forming apparatus Homare Ehara, Takaaki Shirai, Tomoyuki Yamashita, Ryohta Kubokawa, Takuma Kasai +1 more 2017-01-10
9429909 Image forming apparatus Takaaki Shirai, Satoru Tao, Takuma Kasai, Homare Ehara, Keita Maejima +2 more 2016-08-30
9389573 Image forming apparatus, image forming method, and computer-readable storage medium Takaaki Shirai, Takuma Kasai, Keita Maejima, Tomoyuki Yamashita, Ryohta Kubokawa +2 more 2016-07-12
9176007 Optical sensor including light-receiving element having two terminals and electronics device including the optical sensor 2015-11-03
9116479 Fixing control device, fixing control method, and image forming apparatus Hiroaki Umezawa, Shiho Shimosaka, Katsunori Kume, Koh Tokumaru, Osamu Kizaki +4 more 2015-08-25
9083185 Power source device, electronic device, image forming apparatus, and power source control method 2015-07-14
8664580 Optical sensor and electronic equipment Kohei Yasukawa, Yasuyuki Shirasaka 2014-03-04
8594520 Image forming apparatus and method of monitoring image forming apparatus power consumption Yuusuke Kohri 2013-11-26
8530800 Heater control device, image forming apparatus, and computer program product Hiroshi Adachi, Eiji Nemoto, Takuma Kasai, Kiriko Chosokabe 2013-09-10
8260165 Image forming apparatus and heater control method Kiriko Chosokabe, Eiji Nemoto, Takuma Kasai 2012-09-04
8103183 Heater control with varying control cycle and lighting pattern Eiji Nemoto 2012-01-24
8040267 Decoder device and movement controller Yasuyuki Shirasaka 2011-10-18
8010007 Image forming apparatus including a plurality of heating units and method of controlling the same Takeshi Sano 2011-08-30
7943897 Optical encoder and electronic equipment 2011-05-17
7945181 Fixing device, image forming apparatus, and fixing-device control method 2011-05-17
7820957 Optical encoder for detecting movement of a moving object and electronic equipment including the optical encoder Tadamasa Kimura 2010-10-26
7612327 Optical encoder and electronic equipment having the same 2009-11-03
7460808 Image forming apparatus and power supply control method 2008-12-02
7439489 Photoelectric encoder and electronic equipment using the same Masato Sasaki 2008-10-21
7391010 Photoelectric encoder and electronic equipment with increased resolution Noritaka Kishi, Keiko Higashi 2008-06-24