Inventor · disambiguated record
Akitsuna Yuhara
Also filed as: YUHARA AKITSUNA
18 granted patents·293 citations·filing 1978–2003
95Inventor score
Top patents by PatentIndex Score
18 records- 0190US4296391ASurface-acoustic-wave filter for channel selection system of television receiverHITACHI LTD·Filed 1978·Granted Oct 20, 1981·34 cites·12 claims
- 0288US4775814ASaw deviceHITACHI LTD·Filed 1987·Granted Oct 4, 1988·41 cites·25 claims
- 0374US4427515ASurface acoustic wave device and method for manufacturing the sameHITACHI LTD·Filed 1981·Granted Jan 24, 1984·18 cites·9 claims
- 0472US4942327ASolid state electronic deviceHITACHI LTD·Filed 1989·Granted Jul 17, 1990·38 cites·8 claims
- 0571US6134264ASpread spectrum communication device and communication systemHITACHI LTD·Filed 1995·Granted Oct 17, 2000·45 cites·2 claims
- 0671US4939487ASurface acoustic wave filterHITACHI LTD·Filed 1988·Granted Jul 3, 1990·19 cites·3 claims
- 0770US5144185ASAW deviceHITACHI LTD·Filed 1990·Granted Sep 1, 1992·25 cites·4 claims
- 0861US4500807ASurface acoustic wave transmission device for a low frequency signal below 30 MHzHITACHI LTD·Filed 1983·Granted Feb 19, 1985·12 cites·31 claims
- 0959US4510410AElastic surface wave absorbers comprising ultraviolet light curable resinHITACHI LTD·Filed 1983·Granted Apr 9, 1985·12 cites·15 claims
- 1055US6057630ASurface acoustic wave deviceHITACHI MEDIA ELECTRON KK·Filed 1998·Granted May 2, 2000·14 cites·12 claims
- 1154US6697418B1Spread spectrum communication device and communication systemHITACHI LTD·Filed 2000·Granted Feb 24, 2004·2 cites·27 claims
- 1249US5905324ASurface acoustic wave device and communication device employing the surface acoustic wave deviceHITACHI LTD·Filed 1995·Granted May 18, 1999·11 cites·14 claims
- 1347US7274729B2Spread spectrum communication device and communication systemHITACHI LTD·Filed 2003·Granted Sep 25, 2007·0 cites·11 claims
- 1442US6747410B1Display panel and discharge type display apparatus having mixture of three gasesHITACHI LTD·Filed 1999·Granted Jun 8, 2004·5 cites·2 claims
- 1542US4689586ASurface elastic wave deviceHITACHI LTD·Filed 1986·Granted Aug 25, 1987·6 cites·10 claims
- 1638US4390807ASurface acoustic wave deviceHITACHI LTD·Filed 1982·Granted Jun 28, 1983·5 cites·18 claims
- 1733US4630112ADescrambling apparatus for a television signalHITACHI LTD·Filed 1983·Granted Dec 16, 1986·2 cites·4 claims
- 1826US4728912AElastic surface wave deviceHITACHI LTD·Filed 1985·Granted Mar 1, 1988·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →