KH

Kenji Hiraku

HC Hitachi Construction Machinery Co.: 31 patents #23 of 1,234Top 2%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HH Hitachi High-Technologies: 6 patents #452 of 1,917Top 25%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
📍 Tsuchiura, JP: #5 of 519 inventorsTop 1%
Overall (All Time): #48,814 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
6047684 Gear pump and fuel transfer system using the gear pump Yuzo Kadomukai, Yukio Takahashi, Kenji Okuna, Yasuo Kita 2000-04-11
5884597 Fuel feeding apparatus for internal combustion engine and vehicle using the fuel feeding apparatus Tadahiko Nogami, Kenji Okuna, Kiyoshi Amou, Atsuji Saito, Atsuo Kishi 1999-03-23
5699693 Widthwise compressing machine and method using vibrations to reduce material width Tadahiko Nogami, Ichiro Nakamura, Hiroyuki Sadamori, Kenichi Yasuda, Kenjiro Narita +2 more 1997-12-23