P

Inventor

KAWASHIMA KATSUHIKO

JP15 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

5 patents
US5925903AJul 20, 1999

Field-effect transistors and method of manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6329227B2Dec 11, 2001

Method of patterning organic polymer film and method for fabricating semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US7286018B2Oct 23, 2007

Transistor circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
US7400199B2Jul 15, 2008

Semiconductor integrated circuit apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations51
US6300190B1Oct 9, 2001

Method for fabricating semiconductor integrated circuit device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations51

PANASONIC CORP

4 patents
US8710927B2Apr 29, 2014

High-frequency power amplifier

PANASONIC CORP31 citations92
US7554410B2Jun 30, 2009

Power amplifier

PANASONIC CORP8 citations84
US7541874B2Jun 2, 2009

High-frequency power amplifier device

PANASONIC CORP17 citations84
US7566920B2Jul 28, 2009

Bipolar transistor and power amplifier

PANASONIC CORP5 citations62

NUVOTON TECHNOLOGY CORP JAPAN

3 patents
US12278601B2Apr 15, 2025

Power amplifier semiconductor device

NUVOTON TECHNOLOGY CORP JAPAN0 citations51
US12166103B2Dec 10, 2024

Semiconductor device for power amplification

NUVOTON TECHNOLOGY CORP JAPAN0 citations50
US12224331B2Feb 11, 2025

Semiconductor device

NUVOTON TECHNOLOGY CORP JAPAN0 citations48

SEKI MASATO

1 patent
US8279010B2Oct 2, 2012

Radio frequency power amplifier

SEKI MASATO6 citations71

MIYAWAKI SHOTARO

1 patent
US8772912B2Jul 8, 2014

Electronic device

MIYAWAKI SHOTARO0 citations39

PANASONIC IP MAN CO LTD

1 patent
US9425302B2Aug 23, 2016

Semiconductor device

PANASONIC IP MAN CO LTD0 citations35