MS

Masaharu Sumiyoshi

TO Toyota: 15 patents #1,771 of 26,838Top 7%
AC Aisan Industry Co.: 7 patents #7 of 109Top 7%
TL Toyota Central R&D Labs: 4 patents #276 of 1,657Top 20%
DC Daihatsu Motor Co.: 1 patents #84 of 248Top 35%
KK K. K. Toyota Chuo Kenkyusho: 1 patents #4 of 25Top 20%
AC Asia Industry Co.: 1 patents #3 of 25Top 15%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
AI Aisin-Warner: 1 patents #62 of 98Top 65%
📍 Toyota, JP: #87 of 316 inventorsTop 30%
Overall (All Time): #199,038 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
5046595 Torque transmission coupling Masaaki Noguchi 1991-09-10
4938306 Four-wheel-drive vehicle having a torque transmission coupling for always transmitting the torque Masaaki Noguchi 1990-07-03
4909371 Four wheel driving power Tokuo Okamoto, Koji Kitano 1990-03-20
4721253 Intermittent type swirl injection nozzle Masaaki Noguchi, Yujiro Oshima, Masatoshi Yamada 1988-01-26
4653694 Intermittent type swirl injection nozzle Masaaki Noguchi, Yujiro Oshima 1987-03-31
4644821 Continuously variable vehicular transmission for reducing transmission torque applied to belt-type continuously variable transmission mechanism Fumio Matsunari 1987-02-24
4565106 Gear transmission mechanism with multiple layshafts 1986-01-21
4450793 Intake system of an internal combustion engine Katsuhiko Motosugi 1984-05-29
4336776 Swirl-inducing apparatus for internal combustion engines Setsuro Sekiya, Katsuhiko Motosugi, Hiroshi Takahashi, Shuhei Toyoda 1982-06-29
4322800 Method of reducing fuel consumption rate in internal combustion engines Takashi Hisegawa, Osamu Ito, Nobuhito Hobo, Yoshihiko Tsuzuki, Yutaka Suzuki +1 more 1982-03-30
4294213 Fuel supplying device for use in fuel injection type internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1981-10-13
4256063 Intake system of a multi-cylinder internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi 1981-03-17
4254747 Intake system of a multi-cylinder internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi 1981-03-10
4253440 Fuel supply apparatus for internal combustion engines Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1981-03-03
4235210 Fuel supply apparatus for internal combustion engines Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-11-25
4232517 Exhaust gas control actuator Katsuhiko Motosugi 1980-11-11
4230072 Internal combustion engine with a methanol reforming system Masaaki Noguchi, Tsuchio Bunda, Taro Tanaka 1980-10-28
4211201 Fuel supply apparatus for internal combustion engines Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-07-08
4207849 Air-fuel ratio control apparatus of a fuel supply system for an internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-06-17
4206599 Internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-06-10
4194478 Air-fuel ratio control system for an internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-03-25
4187816 Air-fuel ratio controlling system for an internal combustion engine Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando, Yuzo Takeuchi +1 more 1980-02-12