SH

Shuji Hirai

Ricoh Company: 55 patents #171 of 9,818Top 2%
FS Furukawa Automotive Systems: 5 patents #30 of 269Top 15%
FC Furukawa Electric Co.: 5 patents #398 of 2,370Top 20%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Kawagoe, JP: #8 of 1,278 inventorsTop 1%
Overall (All Time): #39,350 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
10587085 Rotary connector and fixing structure of rotary connector Kazutaka Kamiya, Toshihiko Kosugi, Shigeo Shigeyama, Nobuyuki Ishigure, Yoshio Chiba +3 more 2020-03-10
10474056 Image forming apparatus Yuuichiroh Uematsu, Satoshi Kaneko, Terumichi Ochi 2019-11-12
10439348 Rotary connector device Kazutaka Kamiya 2019-10-08
10401763 Image forming apparatus Satoshi Kaneko, Yuuichiroh Uematsu, Terumichi Ochi 2019-09-03
9996037 Image forming apparatus and image forming method which cyclically change a charging power and a developing bias applied to a developer bearer Satoshi Kaneko, Terumichi Ochi 2018-06-12
9857747 Image forming apparatus that adjusts a voltage output based on toner adhesion Satoshi Kaneko 2018-01-02
9778593 Image forming apparatus Satoshi Kaneko, Terumichi Ochi 2017-10-03
9727001 Technique for reducing uneven image density in an image forming apparatus Satoshi Kaneko, Terumichi Ochi 2017-08-08
9671716 Image forming apparatus and correction data generation method which corrects the intensity of a light source which forms a latent image Naoto Watanabe, Satoshi Kaneko, Terumichi Ochi, Muneaki Iwata 2017-06-06
9557697 Recording media smoothness detector and image forming apparatus incorporating same Takumi Waida, Terumichi Ochi, Shinji Kato, Ryota Yamashina, Keitaro Shoji 2017-01-31
9423752 Image forming apparatus and method adjusting image forming condition Satoshi Kaneko, Shinji Kato 2016-08-23
9411278 Image forming apparatus Motoyoshi Yamano, Shinichi Namekata, Ryota Yamashina, Takumi Waida, Shinji Kato +1 more 2016-08-09
9400442 Image forming apparatus Satoshi Kaneko, Shinji Kato 2016-07-26
9348288 Image forming apparatus forming a plurality of displaced test latent image parts Satoshi Kaneko, Shinji Kato, Hideo Muroi, Terumichi Ochi 2016-05-24
9250592 Image forming apparatus having a smoothness detector Ryota Yamashina, Keitaro Shoji, Takumi Waida, Terumichi Ochi 2016-02-02
9188924 Image forming apparatus and image forming method Satoshi Kaneko, Shinji Kato, Hitoshi Ishibashi, Jun Yamane, Koichi Kudo +1 more 2015-11-17
9182720 Image forming apparatus capable of reducing image density irregularity Satoshi Kaneko, Shinji Kato, Hitoshi Ishibashi, Jun Yamane, Koichi Kudo +1 more 2015-11-10
9152896 Image forming apparatus and image forming method Satoshi Kaneko, Shinichi Akatsu, Shingo Suzuki, Tetsuya Muto, Keita Gotoh +2 more 2015-10-06
9141059 Image forming apparatus Tetsuya Muto, Shinichi Akatsu, Shingo Suzuki, Satoshi Kaneko, Keita Gotoh +1 more 2015-09-22
9128402 Image forming apparatus capable of effectively preventing image density fluctuation Yuuichiroh Uematsu, Shinichi Akatsu, Shingo Suzuki, Tetsuya Muto, Satoshi Kaneko +1 more 2015-09-08
9052663 Image forming apparatus Shingo Suzuki, Satoshi Kaneko, Koichi Kudo, Jun Yamane, Shinji Kato 2015-06-09
9046850 Image forming apparatus capable of reducing image density irregularity Satoshi Kaneko, Shinji Kato, Jun Yamane, Koichi Kudo, Shingo Suzuki 2015-06-02
8998628 Rotatable connector device 2015-04-07
8983320 Image forming apparatus Shingo Suzuki, Satoshi Kaneko, Tetsuya Muto, Shinichi Akatsu, Keita Gotoh +1 more 2015-03-17
8977148 Image forming apparatus and image forming method Satoshi Kaneko, Jun Yamane, Koichi Kudo, Shinji Kato, Hitoshi Ishibashi +1 more 2015-03-10