Inventor · disambiguated record
Atsushi Sumioka
Also filed as: SUMIOKA ATSUSHI
11 granted patents·358 citations·filing 1975–2001
92Inventor score
Top patents by PatentIndex Score
11 records- 0187US5438305AHigh frequency module including a flexible substrateHITACHI LTD·Filed 1992·Granted Aug 1, 1995·106 cites·21 claims
- 0287US4792939ADuplex radio communication transceiverHITACHI ELECTRONICS·Filed 1987·Granted Dec 20, 1988·92 cites·12 claims
- 0385US4906885AElectrode material for surface acoustic wave devices and surface acoustic wave device using the sameHITACHI ELECTRONICS·Filed 1988·Granted Mar 6, 1990·35 cites·7 claims
- 0484US5010269ASAW resonator having a broad bandwidthHITACHI LTD·Filed 1988·Granted Apr 23, 1991·39 cites·13 claims
- 0581US6346761B1Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modesHITACHI ELECTRONICS·Filed 2000·Granted Feb 12, 2002·22 cites·21 claims
- 0673US4734664ASurface acoustic wave resonatorHITACHI LTD·Filed 1986·Granted Mar 29, 1988·22 cites·6 claims
- 0762US4333040AGas discharge display deviceHITACHI LTD·Filed 1979·Granted Jun 1, 1982·9 cites·6 claims
- 0860US6774536B2Surface acoustic wave deviceHITACHI LTD·Filed 2001·Granted Aug 10, 2004·8 cites·12 claims
- 0959US4020191AMethod for forming flat display panel phosphor dotsHITACHI LTD·Filed 1975·Granted Apr 26, 1977·9 cites·13 claims
- 1053US4476466ADriving method of gas-discharge display panelHITACHI LTD·Filed 1981·Granted Oct 9, 1984·14 cites·11 claims
- 1136US4081717AZigzag shifting self-transfer type display deviceHITACHI LTD·Filed 1977·Granted Mar 28, 1978·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →