Inventor · disambiguated record
Minoru Hirahara
Also filed as: HIRAHARA MINORU
8 granted patents·7 pending applications·100 citations·filing 1992–2010
87Inventor score
Top patents by PatentIndex Score
15 records- 0182US8183940B2Temperature control deviceKOYAMA YOSHITO·Filed 2009·Granted May 22, 2012·21 cites·4 claims
- 0276US8179114B2Voltage converting device and voltage converting methodHIRAHARA MINORU·Filed 2009·Granted May 15, 2012·11 cites·10 claims
- 0371US8084886B2Uninterruptible power supply apparatusHIRAHARA MINORU·Filed 2008·Granted Dec 27, 2011·12 cites·7 claims
- 0453US5260638AMethod and circuit for quick charging of secondary cellFUJITSU LTD·Filed 1992·Granted Nov 9, 1993·23 cites·6 claims
- 0544US6263015B1Analog/digital integrated subscriber circuitFUJITSU LTD·Filed 1997·Granted Jul 17, 2001·16 cites·12 claims
- 0641US2007228834A1Uninterruptible power supply apparatusFUJITSU LTD·Filed 2007·Application pending·0 cites
- 0739US5402480ACall signal generating circuitFUJITSU LTD·Filed 1992·Granted Mar 28, 1995·10 cites·9 claims
- 0837US8543845B2Method for suppressing a voltage fluctuation applying to a load by a second power section with the same or opposite voltage polarityKOYAMA YOSHITO·Filed 2010·Granted Sep 24, 2013·0 cites·6 claims
- 0934US5572413APrimary control type switching power supply circuitFUJITSU LTD·Filed 1995·Granted Nov 5, 1996·7 cites·6 claims
- 1034US2008204105A1Power supply device, signal output apparatus and power supply methodFUJITSU LTD·Filed 2007·Application pending·0 cites
- 1133US2010171477A1Power supply device and electronic apparatusFUJITSU LTD·Filed 2010·Application pending·0 cites
- 1233US2010176779A1Power supply device and electronic apparatusFUJITSU LTD·Filed 2010·Application pending·0 cites
- 1333US2010176780A1Power supply device and electronic apparatusFUJITSU LTD·Filed 2010·Application pending·0 cites
- 1431US2011136450A1Power circuit and radio communication circuit using same and method of operating a circuitFUJITSU LTD·Filed 2010·Application pending·0 cites
- 1530US2008174179A1Power supply device and method of supplying power supply voltage to load deviceFUJITSU LTD·Filed 2007·Application pending·0 cites
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