FS

Fumihiro Shimizu

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
DE Denso: 3 patents #3,857 of 11,792Top 35%
AC Asmo Co.: 2 patents #218 of 745Top 30%
Overall (All Time): #250,961 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11815161 Speed reducer and motor with speed reducer Masahito Sakai, Kazuki Maruo, Tomoki Yamashita, Hiroyuki Okada 2023-11-14
11560934 Speed reducer and speed reducer-equipped motor Kazuki Maruo, Masahito Sakai 2023-01-24
11460095 Gear reducer and gearmotor Hiroyuki Okada, Masahito Sakai, Kazuki Maruo, Tomoki Yamashita 2022-10-04
10133223 Angle estimator, motor controller, motor driver, motor driving system, image forming apparatus, and conveyance device Norihiro Yamamoto 2018-11-20
10135374 Permanent magnet motor, position estimating device, and motor driving controlling device Takashi Hashimoto, Hiroshi Koide 2018-11-20
10075604 Rotation-angle detection device and method, and image processing apparatus 2018-09-11
10024688 Angle detection device and angle detection method 2018-07-17
9483037 Motor control device, method for operating the same, and image processing apparatus Takuya Murata 2016-11-01
9473054 Angle detection apparatus, motor driving control apparatus and angle detection method 2016-10-18
8872453 Motor drive controller and control method Tomohiko Kamatani, Haruyuki Suzuki, Katsuhisa Furuse 2014-10-28
8866421 Motor drive controller and control method Tomohiko Kamatani, Haruyuki Suzuki, Katsuhisa Furuse 2014-10-21
8860346 Angle detection device, motor driving device, and image forming apparatus Haruyuki Suzuki, Tomohiko Kamatani, Katsuhisa Furuse 2014-10-14
8405329 Motor drive controller and image forming apparatus incorporating the motor drive controller 2013-03-26
8288978 Motor driver 2012-10-16
8258731 Apparatus and method for starting motor 2012-09-04
7296277 Disk rotation device Takehide Ohno 2007-11-13
6573625 Motor device having water-proof brush holder Hiroaki Yamamoto, Katsuhiko Torii, Kenji Kashima, Kengo Yamamura 2003-06-03
5438801 Quarter window opening/closing apparatus Mikiya Ishihara, Takahiro Yamada 1995-08-08