Inventor · disambiguated record
Katsuyuki Ishikawa
Also filed as: ISHIKAWA KATSUYUKI
11 granted patents·1 pending application·254 citations·filing 1997–2014
90Inventor score
Top patents by PatentIndex Score
12 records- 0190US6239558B1System for driving a cold-cathode fluorescent lamp connected to a piezoelectric transformerTAIHEIYO CEMENT CORP·Filed 1997·Granted May 29, 2001·119 cites·34 claims
- 0277US6198198B1Control circuit and method for piezoelectric transformerTAIHEIYO CEMENT CORP·Filed 1998·Granted Mar 6, 2001·61 cites·19 claims
- 0372US7535155B2Piezoelectric device and piezoelectric switch provided with the sameTAIHEIYO CEMENT CORP·Filed 2005·Granted May 19, 2009·7 cites·20 claims
- 0468US6172447B1Piezoelectric transformer deviceTAIHEIYO CEMENT CORP·Filed 1997·Granted Jan 9, 2001·27 cites·18 claims
- 0565US6564015B2Electronic flash deviceTAIHEIYO CEMENT CORP·Filed 2001·Granted May 13, 2003·10 cites·12 claims
- 0651US6873086B2Piezoelectric transformer and strobe apparatus having the piezoelectric transformerTAIHEIYO CEMENT CORP·Filed 2004·Granted Mar 29, 2005·3 cites·6 claims
- 0747US6486612B2Control circuit and method for protecting a piezoelectric transformer from an open state and a short-circuited stateTAIHEIYO CEMENT CORP·Filed 1998·Granted Nov 26, 2002·13 cites·20 claims
- 0842US2004170282A1Sound simulator and sound simulating methodFiled 2002·Application pending·0 cites
- 0941US6882090B2Piezoelectric transformer and strobe apparatus having the piezoelectric transformerTAIHEIYO CEMENT CORP·Filed 2002·Granted Apr 19, 2005·0 cites·3 claims
- 1038US10680443B2Solar power generation systemTSB CORP·Filed 2014·Granted Jun 9, 2020·0 cites·5 claims
- 1138US6262518B1Housing for piezoelectric transformer deviceTAIHEIYO CEMENT CORP·Filed 1998·Granted Jul 17, 2001·10 cites·20 claims
- 1232US6342752B1Piezoelectric transformer element and method of mounting it in a housingTAIHEIYO CEMENT CORP·Filed 1998·Granted Jan 29, 2002·4 cites·4 claims
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