NK

Naotake Kumagai

MM Mitsubishi Motors: 31 patents #14 of 1,823Top 1%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MK Mitsubishi Jidosha Kogyo K.K.: 1 patents #5 of 82Top 7%
📍 Sapporo, JP: #1 of 6 inventorsTop 20%
Overall (All Time): #114,461 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
5997107 Regenerative control apparatus of electric vehicle, which obtains regenerative torque for brake from motor for running Hisamitsu Koga, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura, Nobuya Furukawa 1999-12-07
5879062 Regenerative control apparatus of electric vehicle Hisamitsu Koga, Tomiji Owada, Masaaki Kato, Nobuyuki Kawamura, Nobuya Furukawa 1999-03-09
5839800 Braking control system for electric automobile Hisamitsu Koga, Tomiji Owada, Nobuya Furukawa, Masaaki Kato, Nobuyuki Kawamura 1998-11-24
5775784 Braking control system for electric automobile Hisamitsu Koga, Tomiji Owada, Nobuya Furukawa, Masaaki Kato, Nobuyuki Kawamura 1998-07-07
5670830 Fuel use limiter-equipped hybrid electric car Hisamitsu Koga, Tomiji Ohwada, Nobuya Furukawa, Masaaki Kato, Nobuyuki Kawamura 1997-09-23
5664635 Control system for inhibiting unintended use of hybrid electric vehicle Hisamitsu Koga, Tomiji Ohwada, Nobuya Furukawa, Masaaki Kato, Nobuyuki Kawamura 1997-09-09
5561362 Remaining capacity meter and detection method for electric vehicle battery Nobuyuki Kawamura, Tomiji Owada, Hisamitsu Koga, Masaaki Kato, Nobuya Furukawa 1996-10-01
4846496 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Shinichi Takeuchi, Masanaga Suzumura +2 more 1989-07-11
4730843 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Shinichi Takeuchi, Masanaga Suzumura +2 more 1988-03-15
4697237 Vehicle suspension apparatus Tadao Tanaka, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura, Minoru Tatemoto 1987-09-29
4695074 Vehicle suspension apparatus Kazuyoshi Kobayashi, Shozo Takizawa, Tadao Tanaka, Mitsuhiko Harara, Yasutaka Taniguchi +2 more 1987-09-22
4673193 Vehicle suspension apparatus Kazuyoshi Kobayashi, Shozo Takizawa, Tadao Tanaka, Mitsuhiko Harara, Yasutaka Taniguchi +2 more 1987-06-16
4669749 Vehicle suspension apparatus Tadao Tanaka, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura, Minoru Tatemoto 1987-06-02
4669750 Vehicle suspension apparatus Tadao Tanaka, Mitsuhiko Harara, Tasutaka Taniguchi, Masanaga Suzumura, Shozo Takizawa +1 more 1987-06-02
4648622 Suspension device for automobile Shunichi Wada, Setsuhiro Shimomura, Shozo Takizawa, Mitsunori Maruyama, Minoru Tatemoto +2 more 1987-03-10
4640526 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura +3 more 1987-02-03
4639014 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura +3 more 1987-01-27
4625994 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Shinichi Takeuchi, Masanaga Suzumura +2 more 1986-12-02
4625992 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Shinichi Takeuchi, Yasutaka Taniguchi +3 more 1986-12-02
4624477 Automobile suspension system Minoru Tatemoto, Shunzou Oshima, Mitsunori Maruyama, Shunichi Wada, Setsuhiro Shimomura 1986-11-25
4624476 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Shinichi Takeuchi, Masanaga Suzumura +2 more 1986-11-25
4613154 Vehicle suspension apparatus Tadao Tanaka, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura, Minoru Tatemoto 1986-09-23
4610462 Electronically controlled suspension system Minoru Tatemoto 1986-09-09
4605244 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura +3 more 1986-08-12
4602805 Vehicle suspension apparatus Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura +2 more 1986-07-29