KM

Keiichi Mashino

HI Hitachi: 45 patents #373 of 28,497Top 2%
HC Hitachi Car Engineering Co.: 6 patents #73 of 465Top 20%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
HE Hitachi Automotive Eng.: 2 patents #1 of 24Top 5%
📍 Hitachinaka, JP: #71 of 2,447 inventorsTop 3%
Overall (All Time): #63,534 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
5503804 Catalyzer control apparatus Masakatsu Fujishita, Takeshi Atago, Suetaro Shibukawa, Shigeyuki Yoshihara 1996-04-02
5448154 Control device for battery charging AC generator used in motor vehicle Atsushi Kanke, Katsuji Marumoto, Yuuji Maeda, Shouju Masumoto, Naoyuki Takahashi +1 more 1995-09-05
5424594 Vehicle alternator output rectifier instrument capable of high temperature operation Akihiro Saito, Yoshiaki Honda, Yuuji Maeda, Kazutoyo Narita 1995-06-13
5390493 Apparatus for controlling the electric heating of catalyst Masakatsu Fujishita, Takeshi Atago, Suetaro Shibukawa, Shigeyuki Yoshihara 1995-02-21
5262711 Charging generator for a vehicle including a circuit for suppressing a sudden change in a field current Yuichi Mori, Atsushi Kanke, Katsuji Marumoto 1993-11-16
5231344 Control apparatus for electric generator Katsuji Marumoto, Kunio Miyashita, Kazuo Tahara, Atsushi Kanke, Akihiro Saito 1993-07-27
5111784 Apparatus for reducing vibrations of the body of a vehicle Shigeru Kuriyama, Yuji Maeda, Yozo Nakamura, Kenichi Nakamura, Yuzo Kadomukai +2 more 1992-05-12
5105143 Control system for automotive charging generator Katsuji Marumoto, Akiteru Ueda 1992-04-14
5097165 Dual generator system with floating higher voltage output Akihiro Saito, Masayoshi Tashiro 1992-03-17
5093583 Electric power supply system for automobile Shigeki Tezuka, Tohru Futami, Yuji Nakajima 1992-03-03
5087869 Protective circuit in a device for reducing vibrations of a vehicle body Shigeru Kuriyama, Yozo Nakamura, Yuji Maeda, Kenichi Nakamura, Yuzo Kadomukai +2 more 1992-02-11
5083038 Vehicle body vibration reduction control apparatus Masao Fukushima, Kei Murakami, Shigeru Kuriyama, Yozo Nakamura, Yuji Maeda +2 more 1992-01-21
5020491 Method and apparatus for controlling power generation in internal combustion engines 1991-06-04
5021727 Electric power supply system for motor vehicle 1991-06-04
4831322 Voltage regulator for charger/generator Shigekazu Takei 1989-05-16
4788486 Vehicular power supply system having a plurality of power supply voltages Souju Masumoto 1988-11-29
4754212 Voltage regulation system for automotive charging generator 1988-06-28
4680530 Voltage regulator for generator used in automobile 1987-07-14
4642548 Control apparatus for charging generator 1987-02-10
4618811 Voltage regulator for charging generator Morio Satou, Shouju Masumoto, Kunio Kobayashi, Osamu Miki 1986-10-21
4563631 Voltage regulator for charging generator Keigo Naoi, Kunio Kobayashi 1986-01-07