Assignee
SUMIYOSHI KEN
JP·5 granted patents·10 citations·filing 2007–2009
Top patents by PatentIndex Score
5 records- 0185US8525754B2Display device with lens array or parallax barrier that switches between narrow view mode and wide view modeSUMIYOSHI KEN·Filed 2007·Granted Sep 3, 2013·7 cites·17 claims
- 0265US8552965B2Display device and electronic applianceSUMIYOSHI KEN·Filed 2008·Granted Oct 8, 2013·2 cites·9 claims
- 0356US8599125B2Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlightSUMIYOSHI KEN·Filed 2009·Granted Dec 3, 2013·0 cites·37 claims
- 0455US8228596B2Image display device using liquidSUMIYOSHI KEN·Filed 2007·Granted Jul 24, 2012·1 cites·20 claims
- 0546US8203671B2View angle controllable display device and terminal having the sameSUMIYOSHI KEN·Filed 2007·Granted Jun 19, 2012·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when SUMIYOSHI KEN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →