SY

Shigeru Yumiyama

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HC Hitachi Car Engineering Co.: 2 patents #204 of 465Top 45%
📍 Hitachinaka, JP: #399 of 2,447 inventorsTop 20%
Overall (All Time): #388,558 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6844640 Electrical equipment for mounting on vehicles, electrical machines, and manufacturing methods of the same Mitsutoshi Abe, Kazuyuki Mori 2005-01-18
6460428 Starter device for starting automobile use engine Kazuyuki Mori, Mitsutoshi Abe, Norio Yanagawa 2002-10-08
6378479 Starting system for internal combustion engine Keisuke Nishidate, Koki Ueta 2002-04-30
6028381 Starter equipped with current interruption mechanism Rikio Goto, Naoki Sumiya, Norikazu Sanuga, Atsushi Saeki 2000-02-22
6006618 Starter motor with rear bracket elements fixed by through-bolts Kazuyuki Mori, Atsushi Saeki 1999-12-28
5969458 Permanent magnetic field starter motor Naoki Sumiya, Atsushi Saeki, Akira Toba 1999-10-19
5644171 Starter having an elastic seal member shaped to taper in a direction perpendicular to the longitudinal axis of the motor Shigehiko Omata, Takashi Suzuki, Yoshinobu Nakamura 1997-07-01
5619088 Revolving armature for rotary electric machinery Yoshimi Mori 1997-04-08
5587619 Rotary armature and method of forming armature coil Ko Onodera, Yoshimi Mori 1996-12-24
5367913 Pinion shift device for starter and assembly method of the same Hideo Mori 1994-11-29
5231307 Starter for starting internal combustion engine Shigeo Hosaka 1993-07-27
4879486 Permanent-magnet generator used for an ignition device of an internal combustion engine 1989-11-07
4747761 Silencer-carrying rotary vane pump Takaki Kamiyama 1988-05-31