AM

Ayumu Miyajima

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
HS Hitachi Automotive Systems: 4 patents #412 of 1,636Top 30%
HC Hitachi Car Engineering Co.: 4 patents #107 of 465Top 25%
📍 Hitachinaka, MI: #3 of 16 inventorsTop 20%
Overall (All Time): #131,994 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6508236 Fuel supply device and internal combustion engine mounting the same Kiyoshi Amou, Yoshio Okamoto, Takehiko Kowatari, Yuzo Kadomukai, Toru Ishikawa +4 more 2003-01-21
6453872 Fuel injection valve and internal combustion engine mounting the same Yoshio Okamoto, Yuzo Kadomukai, Shigenori Togashi, Kiyoshi Amo, Makoto Yamakado +3 more 2002-09-24
6367720 Electromagnetic fuel injection valve Yoshio Okamoto, Yuzo Kadomukai, Makoto Yamakado, Noriyuki Maekawa, Tohru Ishikawa +1 more 2002-04-09
6345601 Direct injection fuel injector and internal combustion engine mounting the same Yoshio Okamoto, Yuzo Kadomukai, Shigenori Togashi, Tohru Ishikawa 2002-02-12