Inventor · disambiguated record
Takeo Yamagata
Also filed as: TOMURO JINICHI · YAMAGATA TAKEO
9 granted patents·264 citations·filing 1978–2002
91Inventor score
Top patents by PatentIndex Score
9 records- 0193US6259046B1Sheet with movable contacts and sheet switchALPS ELECTRIC CO LTD·Filed 2000·Granted Jul 10, 2001·62 cites·4 claims
- 0286US4407904AFuel cellHITACHI LTD·Filed 1982·Granted Oct 4, 1983·55 cites·8 claims
- 0384US6271491B1Push button switch including dome-shaped movable contact having reverse functionALPS ELECTRIC CO LTD·Filed 2000·Granted Aug 7, 2001·32 cites·6 claims
- 0480US6548779B2Sheet having moving contacts and sheet switchALPS ELECTRIC CO LTD·Filed 2001·Granted Apr 15, 2003·24 cites·5 claims
- 0576US6563068B2Dome-shaped contact plate giving crispy feeling of click and sheet with contact plateALPS ELECTRIC CO LTD·Filed 2002·Granted May 13, 2003·25 cites·8 claims
- 0674US4220518AMethod for preventing coking in fluidized bed reactor for cracking heavy hydrocarbon oilHITACHI LTD·Filed 1978·Granted Sep 2, 1980·18 cites·17 claims
- 0773US6417467B1Sheet with movable contacts and sheet switchFiled 2000·Granted Jul 9, 2002·19 cites·2 claims
- 0856US6083645ASecondary battery using system and material for negative electrode of secondary batteryHITACHI LTD·Filed 1998·Granted Jul 4, 2000·24 cites·8 claims
- 0953US4294803AApparatus for preventing coking in fluidized bed reactor for cracking heavy hydrocarbon oilHITACHI LTD·Filed 1979·Granted Oct 13, 1981·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →