Inventor · disambiguated record
Kunio Umehara
Also filed as: UMEHARA KUNIO
7 granted patents·1 pending application·148 citations·filing 1977–2005
86Inventor score
Top patents by PatentIndex Score
8 records- 0186US6396506B1Display operation method to change the number of images to be displayed and to independently change image direction and rotation of each imageHITACHI LTD·Filed 1996·Granted May 28, 2002·83 cites·10 claims
- 0261US4118739ASwitching regulator for television receiver for generating a stabilized D.C. supply voltage for operating the various TV circuitsHITACHI LTD·Filed 1977·Granted Oct 3, 1978·13 cites·9 claims
- 0356US7239294B2Plasma display deviceFUJITSU HITACHI PLASMA DISPLAY·Filed 2004·Granted Jul 3, 2007·4 cites·30 claims
- 0455US5870073ADisplay with scan converter for converting scanning frequency of input video signalHITACHI LTD·Filed 1995·Granted Feb 9, 1999·17 cites·18 claims
- 0550US5712532AScalable CRT display device and phase synchronous circuit for use in display deviceHITACHI LTD·Filed 1994·Granted Jan 27, 1998·14 cites·11 claims
- 0645US6404459B1Display with scan converter for converting scanning frequency of input video signalHITACHI LTD·Filed 1999·Granted Jun 11, 2002·9 cites·36 claims
- 0745US4115814ACircuit for extinguishing abnormally high voltage in television receiverHITACHI LTD·Filed 1977·Granted Sep 19, 1978·8 cites·24 claims
- 0845US2005230818A1Display deviceFUJITSU HITACHI PLASMA DISPLAY·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kunio Umehara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →