KY

Keiichi Yamashita

DE Denso: 12 patents #974 of 11,792Top 9%
IL Isuzu Motors Limited: 4 patents #131 of 908Top 15%
NC Nippondenso Co.: 4 patents #582 of 3,479Top 20%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
KC Kyosan Denki Co.: 1 patents #47 of 129Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
AC Aisan Industry Co.: 1 patents #46 of 109Top 45%
📍 Yokohama, JP: #275 of 480 inventorsTop 60%
Overall (All Time): #185,337 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
9219426 Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Shigenori Inoue, Toru Yoshihara +4 more 2015-12-22
8812168 Temperature measuring method and temperature measuring device of steel plate, and temperature control method of steel plate Tsuneaki Nishikawa 2014-08-19
7603989 Fuel feed apparatus having fuel pump Noriya Matsumoto, Kouji Izutani 2009-10-20
7472693 Fuel feed apparatus having fuel pump and filter Kouji Izutani, Noriya Matsumoto 2009-01-06
7442015 Fuel feed apparatus with reinforcing structure Kiyotoshi Oi, Takanori Ueda 2008-10-28
7381364 Gas jet cooling device 2008-06-03
7367324 Fuel feed apparatus having canister Kouji Izutani, Noriya Matsumoto, Koji Miwa 2008-05-06
7265466 Electrical motor and fluid pump using the same Motoya Ito 2007-09-04
7159576 Fuel feed apparatus Kouji Izutani, Noriya Matsumoto, Koji Miwa 2007-01-09
7108487 Fuel supply system installed inside fuel tank Takashi Koba, Tatsuo Sakai 2006-09-19
6523519 Oil supplying apparatus and method of controlling the same Akira Iwano, Tetsuya Abe 2003-02-25
6386170 Oil supplying apparatus and method of controlling the same Akira Iwano, Tetsuya Abe 2002-05-14
6242838 Commutator and method of manufacturing the same Kenzo Kiyose, Yoshio Ebihara, Mutsumi Yoshino, Yoshitsugu Sakamoto, Motoya Ito 2001-06-05
6138524 Mounting arrangement for a device for detecting the fuel level in a fuel tank Shinji Tsuda, Kingo Okada, Yoshifumi Terada 2000-10-31
6123521 Fuel supply system having a pump with a resiliently mounted filter Eiji Mori, Masahide Kobayashi, Takashi Nagai, Satomi Wada, Kouji Izutani +3 more 2000-09-26
5785032 Fuel supply system Kouji Izutani, Kingo Okada, Hideto Takahashi 1998-07-28
5782223 Fuel supply system Kouji Izutani, Kingo Okada, Hideto Takahashi 1998-07-21
5778926 Pressure regulating valve and fuel supply system using the same Masaaki Tanaka, Kouji Izutani, Kingo Okada, Hideto Takahashi 1998-07-14
5395520 Fuel filter contained in a fuel tank Koichi Ito, Yoshifumi Ina 1995-03-07
4915615 Device for controlling fuel combustion in a burner Hideo Kawamura 1990-04-10
4744747 Heater controller Hideo Kawamura, Yukio Yoshida 1988-05-17
4703888 Cleaning apparatus for fuel burner Hideo Kawamura, Yukio Yoshida 1987-11-03
4684341 Fuel vaporization apparatus for combustor Hideo Kawamura, Yukio Yoshida 1987-08-04