Inventor · disambiguated record
Hisashi Kawahara
Also filed as: KAWAHARA HISASHI
12 granted patents·90 citations·filing 1980–2022
89Inventor score
Top patents by PatentIndex Score
12 records- 0192US11837437B2Specimen machining device and information provision methodJEOL LTD·Filed 2022·Granted Dec 5, 2023·2 cites·9 claims
- 0284US6816439B1Rechargeable electronic watch and driving method of rechargeable electronic watchCITIZEN WATCH CO LTD·Filed 2000·Granted Nov 9, 2004·37 cites·13 claims
- 0378US10225424B2Image forming apparatus, method and control program for presence detectionSHARP KK·Filed 2017·Granted Mar 5, 2019·2 cites·6 claims
- 0461US8976401B2Image forming apparatus that displays a preview of a display image showing a state where an image is formed on a sheet of paperSHARP KK·Filed 2014·Granted Mar 10, 2015·1 cites·8 claims
- 0559US10484562B2Image forming apparatus, control program, and method for controlling luminance of the image forming apparatusSHARP KK·Filed 2019·Granted Nov 19, 2019·0 cites·6 claims
- 0654US12476071B2Specimen machining device and specimen machining methodJEOL LTD·Filed 2022·Granted Nov 18, 2025·0 cites·9 claims
- 0753US4328572AVoltage control system for electronic timepieceCITIZEN WATCH CO LTD·Filed 1980·Granted May 4, 1982·12 cites·10 claims
- 0852US5886953AHeavy-load drive apparatus for an electronic watchCITIZEN WATCH CO LTD·Filed 1996·Granted Mar 23, 1999·17 cites·17 claims
- 0945US4611923AElectronic timepiece with a depth gaugeCITIZEN WATCH CO LTD·Filed 1985·Granted Sep 16, 1986·9 cites·9 claims
- 1037US4367958ACorrection signal generating system for an electronic timepieceCITIZEN WATCH CO LTD·Filed 1980·Granted Jan 11, 1983·5 cites·7 claims
- 1136US4505594AMulti-function analogue type watchCITIZEN WATCH CO LTD·Filed 1984·Granted Mar 19, 1985·4 cites·5 claims
- 1229US4397564AElectronic timepieceCITIZEN WATCH CO LTD·Filed 1981·Granted Aug 9, 1983·1 cites·8 claims
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