HK

Hidehiko Koyashiki

YC Yamada Manufacturing Co.: 6 patents #12 of 164Top 8%
HA Hitachi Unisia Automotive: 1 patents #26 of 62Top 45%
UJ Unisia Jecs: 1 patents #221 of 395Top 60%
Overall (All Time): #637,194 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10253661 Relief device for oil pump Junichi Miyajima, Takatoshi Watanabe 2019-04-09
9341093 Control valve Junichi Miyajima, Takatoshi Watanabe 2016-05-17
9212780 Control valve Junichi Miyajima, Takatoshi Watanabe 2015-12-15
9109479 Engine lubrication control system Takatoshi Watanabe, Junichi Miyajima 2015-08-18
9068485 Engine lubrication control system Takatoshi Watanabe, Junichi Miyajima 2015-06-30
8201525 Cooling device for engine Katsuyoshi Shiobara 2012-06-19
7168638 Fuel injection valve Takahiro Saito 2007-01-30
6705281 Piston for an internal combustion engine Eiji Okamura, Seiichi Sue, Kazumitsu Kobayashi 2004-03-16