P

Inventor

HIRANO SHUNSUKE

JP34 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO SHUNSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

19 patents
US6563387B2May 13, 2003

Method and apparatus for synthesizing high-frequency signals for wireless communications

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations97
US6717998B2Apr 6, 2004

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US7215215B2May 8, 2007

Phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US7050525B2May 23, 2006

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations93
US7276985B2Oct 2, 2007

Transmission modulation apparatus, communication apparatus and mobile wireless apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US7224237B2May 29, 2007

Modulator and correction method thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US7157985B2Jan 2, 2007

PLL modulation circuit and polar modulation apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6871055B2Mar 22, 2005

Direct conversion receiver, mobile radio equipment using the same, and RF signal receiving method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US6566964B1May 20, 2003

Frequency synthesizer and oscillation frequency control method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US6441692B1Aug 27, 2002

PLL frequency synthesizer

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US7443261B2Oct 28, 2008

Phase modulating apparatus, communication device, mobile wireless unit, and phase modulating method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7110486B2Sep 19, 2006

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US6728526B2Apr 27, 2004

Fractional-N frequency synthesizer with multiple clocks having different timings

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations83
US7333582B2Feb 19, 2008

Two-point frequency modulation apparatus, wireless transmitting apparatus, and wireless receiving apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations82
US7378918B2May 27, 2008

Two-point modulation type phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6226499B1May 1, 2001

Radio circuit apparatus and radio communication equipment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US7333789B2Feb 19, 2008

Wide-band modulation PLL, timing error correction system of wide-band modulation PLL, modulation timing error correction method and method for adjusting radio communication apparatus having wide-band modulation PLL

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7199677B2Apr 3, 2007

Frequency modulation apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7236063B2Jun 26, 2007

Broadband modulation PLL, and modulation factor adjustment method thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations54

PANASONIC CORP

9 patents

GUNZE KK

3 patents

MITSUBISHI GAS CHEMICAL CO

2 patents

SOCIONEXT INC

1 patent