KF

Kensuke Fukushima

UK Ushio Denki Kabushiki Kaisha: 5 patents #92 of 583Top 20%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
Overall (All Time): #870,647 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7560877 Operation circuit for a discharge lamp and device for operation of a discharge lamp and a light source device Masashi Okamoto 2009-07-14
7002298 Ultra-high pressure discharge lamp 2006-02-21
6838823 Discharge lamp 2005-01-04
6713949 Short arc type ultra-high pressure discharge lamp Tetu Okamoto 2004-03-30
6653786 Super-high pressure mercury lamp Tetu Okamoto 2003-11-25
4962816 Arrangement for controlling bulldozer blade Kazutoshi Imon, Hiroshi Shimizu 1990-10-16