RN

Ryoji Nishiyama

Mitsubishi Electric: 37 patents #284 of 25,717Top 2%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
MM Mitsubishi Motors: 2 patents #508 of 1,823Top 30%
MD Mitsubisih Denki: 2 patents #6 of 381Top 2%
Overall (All Time): #80,115 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
5027779 Fuel injection control apparatus for an internal combustion engine 1991-07-02
4996960 Air-fuel ratio control system for an internal combustion engine Satoru Ohkubo 1991-03-05
4984552 Fuel injection device for an internal combustion engine Hiroyuki Nishizawa, Kimito Kashiwabara, Osamu Nako, Mitsuaki Ishii, Kouichi Yamane +1 more 1991-01-15
4962742 Fuel injection device for an internal combustion engine Hiroyuki Nishizawa, Kimito Kashiwabara, Osamu Nako, Mitsuaki Ishii, Kouichi Yamane +1 more 1990-10-16
4951634 Fuel injection device for an internal combustion engine Hiroyuki Nishizawa, Kimito Kashiwabara, Osamu Nako, Mitsuaki Ishii, Kouichi Yamane +1 more 1990-08-28
4911130 Air-fuel ratio controller of internal combustion engine Toshihisa Takahashi, Masanobu Uchinami, Seiya Kominami, Shinichi Nishida 1990-03-27
4909224 Electronic controller for internal combustion engine Satoru Ohkubo, Setsuhiro Shimomure 1990-03-20
4895123 Apparatus for controlling air-fuel ratio of internal combustion engine Masanobu Uchinami, Toshihisa Takahashi, Hiroyoshi Suzuki, Shinichi Nishida 1990-01-23
4889098 Air-fuel ratio detecting apparatus for an internal combustion engine equipped with a heater controller Hiroyoshi Suzuki, Shinichi Nishida 1989-12-26
4886028 Apparatus for controlling air-fuel ratio of internal combustion engine Masanobu Uchinami, Toshihisa Takahashi, Hiroyoshi Suzuki, Shinichi Nishida 1989-12-12
4877002 Electronic control device for internal-combustion engines Setsuhiro Shimomura 1989-10-31
4854285 Electronic control circuit for internal-combustion engines Yoshiaki Kanno 1989-08-08
4809664 Fuel controlling system for internal combustion engine Katsuya Nakamoto, Yoshiaki Kanno 1989-03-07
4765298 Air-fuel ratio control system for internal combustion engines Shinji Kojima, Seiji Wataya 1988-08-23
4753204 Air-fuel ratio control system for internal combustion engines Shinji Kojima, Seiji Wataya 1988-06-28