HK

Hiroshi Kumatani

Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
Overall (All Time): #280,839 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5176085 Position detecting device Masayoshi Hara, Takashi Nakamura 1993-01-05
D322442 Controller for a sewing machine Satomi Yamauchi, Takanobu Fujimoto 1991-12-17
D321891 Controller for a sewing machine Satomi Yamauchi, Takanobu Fujimoto 1991-11-26
D321696 Controller for a sewing machine Satomi Yamauchi, Takanobu Fujimoto 1991-11-19
D321519 Controller for a sewing machine Satomi Yamauchi, Takanobu Fujimoto 1991-11-12
D310816 Electric motor with hinged mounting bracket Tatsuya Sawato, Takashi Nakamura 1990-09-25
D306030 Electric sewing machine motor Tatsuya Sawato, Youzo Ookawa, Takashi Nakamura, Yoshinori Abe 1990-02-13
4819502 Flywheel device Toshio Nakajima, Masayuki Miyazaki, Kazuo Tezuka 1989-04-11
4738211 Sewing machine control device Takashi Nakamura, Satomi Yamauchi, Masakatsu Daijo 1988-04-19
4691588 Lever mechanism in combination with a sewing machine driving device Yutaka Yamaura 1987-09-08
4689509 Low inertia, speed variable induction motor Takashi Nakamura 1987-08-25
4570767 Electromagnetic clutch/brake device 1986-02-18
4562367 Low inertia, speed variable induction motor 1985-12-31
4557360 Movable disc for electromagnetic clutch/brake 1985-12-10
4554472 Low inertia induction motor 1985-11-19
4491753 Low inertial variable speed induction motor 1985-01-01
4410819 Electromagnetic coupling device Takanori Kobayashi, Masahisa Kato 1983-10-18