Inventor · disambiguated record
Haruo Matsumaru
Also filed as: MATSUMARU HARUO
26 granted patents·1,237 citations·filing 1975–1998
98Inventor score
Top patents by PatentIndex Score
26 records- 0197US5359206AThin film transistor substrate, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1990·Granted Oct 25, 1994·168 cites·17 claims
- 0295US5285301ALiquid crystal display device having peripheral dummy linesHITACHI LTD·Filed 1992·Granted Feb 8, 1994·146 cites·22 claims
- 0394US5177577ALiquid crystal display device with TFT's each including a Ta gate electrode and an anodized Al oxide filmHITACHI LTD·Filed 1991·Granted Jan 5, 1993·122 cites·13 claims
- 0492US5032531AMethod of manufacturing active matrix panelHITACHI LTD·Filed 1989·Granted Jul 16, 1991·97 cites·19 claims
- 0587US5719408AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Feb 17, 1998·49 cites·8 claims
- 0687US4407010ASolid state image pickup deviceHITACHI LTD·Filed 1981·Granted Sep 27, 1983·62 cites·10 claims
- 0784US5402254ALiquid crystal display device with TFTS in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films before the deposition of siliconHITACHI LTD·Filed 1993·Granted Mar 28, 1995·53 cites·48 claims
- 0882US5671027ALCD device with TFTs in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films and before the deposition of the silicon gate insulatorHITACHI LTD·Filed 1995·Granted Sep 23, 1997·59 cites·70 claims
- 0981US4990981AThin film transistor and a liquid crystal display device using sameHITACHI LTD·Filed 1989·Granted Feb 5, 1991·45 cites·20 claims
- 1079US5889573AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1997·Granted Mar 30, 1999·31 cites·11 claims
- 1179US5600460AMethod of repairing a signal line open circuit by connecting each side of the signal line to an adjacent pixel electrodeHITACHI LTD·Filed 1994·Granted Feb 4, 1997·48 cites·7 claims
- 1279US5585290AMethod of manufacturing a thin film transistor substrateHITACHI LTD·Filed 1993·Granted Dec 17, 1996·29 cites·10 claims
- 1378US6226059B1Active matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1998·Granted May 1, 2001·45 cites·33 claims
- 1476US5610738AMethod for making LCD device in which gate insulator of TFT is formed after the pixel electrode but before the video signal lineHITACHI LTD·Filed 1995·Granted Mar 11, 1997·43 cites·12 claims
- 1574US5672523AThin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipmentHITACHI LTD·Filed 1995·Granted Sep 30, 1997·24 cites·1 claims
- 1674US5530568AMatrix liquid crystal, display device having testing pads of transparent conductive filmHITACHI LTD·Filed 1994·Granted Jun 25, 1996·40 cites·8 claims
- 1774US5200634AThin film phototransistor and photosensor array using the sameHITACHI LTD·Filed 1991·Granted Apr 6, 1993·40 cites·52 claims
- 1872US4273812AMethod of producing material patterns by evaporating material through a perforated mask having a reinforcing bridgeHITACHI LTD·Filed 1979·Granted Jun 16, 1981·20 cites·17 claims
- 1968US4395629ASolid-state color imager and method of manufacturing the sameHITACHI LTD·Filed 1980·Granted Jul 26, 1983·26 cites·17 claims
- 2068US4227078APhoto-sensorNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Oct 7, 1980·15 cites·22 claims
- 2163US5781255AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1996·Granted Jul 14, 1998·25 cites·23 claims
- 2259US4285007AColor solid-state imager and method of making the sameHITACHI LTD·Filed 1980·Granted Aug 18, 1981·17 cites·8 claims
- 2355US5589962AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1995·Granted Dec 31, 1996·17 cites·1 claims
- 2452US3997810AColor pickup tube face plate with opaque shading stripes overlapping adjacent filtersHITACHI LTD·Filed 1975·Granted Dec 14, 1976·6 cites·8 claims
- 2549US4855795APhotosensorHITACHI LTD·Filed 1986·Granted Aug 8, 1989·10 cites·8 claims
- 2624US4206384AImage pick-up tube target having transparent conductive strips with shallow sidesHITACHI DENSHI KABUSHIKI KABUS·Filed 1978·Granted Jun 3, 1980·0 cites·6 claims
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