Inventor · disambiguated record
Katsuhiko Kawashima
Also filed as: KAWASHIMA KATSUHIKO
15 granted patents·4 pending applications·90 citations·filing 1997–2024
90Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD5NUVOTON TECHNOLOGY CORP JAPAN5PANASONIC CORP4KAWASHIMA KATSUHIKO1MIYAWAKI SHOTARO1
Top patents by PatentIndex Score
19 records- 0195US8710927B2High-frequency power amplifierPANASONIC CORP·Filed 2013·Granted Apr 29, 2014·31 cites·19 claims
- 0287US7541874B2High-frequency power amplifier devicePANASONIC CORP·Filed 2007·Granted Jun 2, 2009·17 cites·16 claims
- 0375US8279010B2Radio frequency power amplifierSEKI MASATO·Filed 2011·Granted Oct 2, 2012·6 cites·6 claims
- 0475US2025015149A1Semiconductor device for power amplificationNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 0574US7554410B2Power amplifierPANASONIC CORP·Filed 2007·Granted Jun 30, 2009·8 cites·8 claims
- 0672US7566920B2Bipolar transistor and power amplifierPANASONIC CORP·Filed 2006·Granted Jul 28, 2009·5 cites·1 claims
- 0772US2025015150A1Semiconductor device for power amplificationNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 0867US7286018B2Transistor circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 23, 2007·6 cites·6 claims
- 0962US12278601B2Power amplifier semiconductor deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Granted Apr 15, 2025·0 cites·20 claims
- 1060US12224331B2Semiconductor deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Granted Feb 11, 2025·0 cites·20 claims
- 1156US6329227B2Method of patterning organic polymer film and method for fabricating semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 11, 2001·5 cites·15 claims
- 1246US5925903AField-effect transistors and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 20, 1999·10 cites·2 claims
- 1345US7400199B2Semiconductor integrated circuit apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 15, 2008·1 cites·7 claims
- 1444US12166103B2Semiconductor device for power amplificationNUVOTON TECHNOLOGY CORP JAPAN·Filed 2021·Granted Dec 10, 2024·0 cites·15 claims
- 1544US2009288862A1Wired circuit board and producing method thereofNITTO DENKO CORP·Filed 2009·Application pending·0 cites
- 1638US2006132241A1Transistor integrated circuit device and manufacturing method thereofKAWASHIMA KATSUHIKO·Filed 2004·Application pending·0 cites
- 1733US9425302B2Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Aug 23, 2016·0 cites·10 claims
- 1831US6300190B1Method for fabricating semiconductor integrated circuit deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 9, 2001·1 cites·11 claims
- 1928US8772912B2Electronic deviceMIYAWAKI SHOTARO·Filed 2010·Granted Jul 8, 2014·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →