YH

Yasunaga Hamada

HC Hitachi Car Engineering Co.: 13 patents #34 of 465Top 8%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
BK Babcock-Hitachi K.K.: 1 patents #20 of 70Top 30%
HI Hiatchi: 1 patents #1 of 84Top 2%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
📍 Hitachinaka, JP: #340 of 2,447 inventorsTop 15%
Overall (All Time): #321,564 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10069362 Structure for preventing scattering of magnet and retaining magnet for rotating electrical machine Shozo KAWASAKI, Hiroshi Kanazawa, Koichi KASHIWA, Kenji Nakayama 2018-09-04
8033714 Fluid mixing apparatus Akira Nishioka, Kiyoshi Amou, Yoshihiro Sukegawa, Takehiko Kowatari, Ikuhisa Hamada +3 more 2011-10-11
6834844 Electromagnetic type fuel injector valve Yasuo Namaizawa 2004-12-28
6634338 Fuel injection apparatus, fuel injection method and internal combustion engine Makoto Yamakado, Kiyoshi Amou, Yoshio Okamoto, Yuzo Kadomukai, Hiromasa Kubo +3 more 2003-10-21
6615805 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe +3 more 2003-09-09
6571773 Fuel injector and internal combustion engine Makoto Yamakado, Yoshiyuki Tanabe, Toshio Takahata, Hiromasa Kubo, Yoshio Okamoto +1 more 2003-06-03
6550458 Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatus Makoto Yamakado, Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe, Hiromasa Kubo +2 more 2003-04-22
6431155 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe +3 more 2002-08-13
6341592 Fuel injector and internal combustion engine having the same Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe 2002-01-29
6332453 Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatus Makoto Yamakado, Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe, Hiromasa Kubo +2 more 2001-12-25
6216665 Fuel injector and internal combustion engine having the same Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe 2001-04-17
6129073 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe +3 more 2000-10-10
6125818 Fuel injector and internal combustion engine having the same Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe 2000-10-03
6032879 Fuel injector for use in internal combustion engine Hideo Tatsumi, Kenichi Gunji, Yukihiro Yoshinari 2000-03-07
5992391 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe +3 more 1999-11-30