Inventor · disambiguated record
Sadakazu Murakami
Also filed as: MURAKAMI SADAKAZU
20 granted patents·1 pending application·125 citations·filing 1992–2022
94Inventor score
Top patents by PatentIndex Score
21 records- 0191US7541785B2Load driving device and portable apparatus utilizing such driving deviceROHM CO LTD·Filed 2007·Granted Jun 2, 2009·17 cites·4 claims
- 0290US11487310B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2020·Granted Nov 1, 2022·2 cites·14 claims
- 0390US8519680B2Load driving device, and lighting apparatus and liquid crystal display device using the sameMURAKAMI SADAKAZU·Filed 2010·Granted Aug 27, 2013·13 cites·4 claims
- 0489US7235954B2Load driving device and portable apparatus utilizing such driving deviceROHM CO LTD·Filed 2004·Granted Jun 26, 2007·39 cites·16 claims
- 0587US10396659B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2018·Granted Aug 27, 2019·3 cites·24 claims
- 0686US9960677B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2016·Granted May 1, 2018·3 cites·15 claims
- 0786US9526138B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2014·Granted Dec 20, 2016·5 cites·6 claims
- 0885US10734896B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2019·Granted Aug 4, 2020·3 cites·12 claims
- 0978US10103625B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2018·Granted Oct 16, 2018·1 cites·25 claims
- 1073US7205750B2Power supply for positive and negative output voltagesROHM CO LTD·Filed 2005·Granted Apr 17, 2007·10 cites·18 claims
- 1173US2023023130A1Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2022·Application pending·0 cites
- 1268US6972547B2Power supply for positive and negative output voltagesROHM CO LTD·Filed 2004·Granted Dec 6, 2005·13 cites·20 claims
- 1364US7944189B2Load driving device and portable apparatus utilizing such driving deviceROHM CO LTD·Filed 2009·Granted May 17, 2011·1 cites·8 claims
- 1460US9526139B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2016·Granted Dec 20, 2016·0 cites·20 claims
- 1560US8836295B2Load driving device, and lighting apparatus and liquid crystal display device using the sameROHM CO LTD·Filed 2013·Granted Sep 16, 2014·0 cites·4 claims
- 1651US8242756B2Load driving device and portable apparatus utilizing such driving deviceMURAKAMI SADAKAZU·Filed 2011·Granted Aug 14, 2012·0 cites·11 claims
- 1741US5311296AVideo signal generator circuit and video image processing device using the sameROHM CO LTD·Filed 1992·Granted May 10, 1994·7 cites·12 claims
- 1839US7880329B2Multi-channel switching regulatorROHM CO LTD·Filed 2008·Granted Feb 1, 2011·0 cites·12 claims
- 1938US5650884AMagnetic recording and reproducing apparatus having a high-speed changeoverROHM CO LTD·Filed 1995·Granted Jul 22, 1997·5 cites·7 claims
- 2033US5774184AColor burst forming circuit and color burst gate pulse forming circuitROHM CO LTD·Filed 1997·Granted Jun 30, 1998·3 cites·4 claims
- 2129US5767745ASolid resonator based oscillator having a phase control circuitROHM CO LTD·Filed 1996·Granted Jun 16, 1998·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Sadakazu Murakami files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →