P

Inventor

YAMADA KENICHI

JP143 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKIGEN MFG CO

14 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

13 patents
US6806835B2Oct 19, 2004

Antenna structure, method of using antenna structure and communication device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD150 citations98
US7447530B2Nov 4, 2008

Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US7245950B2Jul 17, 2007

Portable radio communication apparatus provided with a boom portion and a part of housing operating as an antenna

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations93
US7009567B2Mar 7, 2006

Portable radio communication apparatus provided with a part of a housing operating as an antenna

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6825811B2Nov 30, 2004

Display-antenna integral structure and communication apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US6731920B1May 4, 2004

Portable telephone apparatus and control method thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations93
US7130591B2Oct 31, 2006

Cell phone

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6897814B2May 24, 2005

Mobile radio

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6670925B2Dec 30, 2003

Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6633261B2Oct 14, 2003

Antenna and wireless device incorporating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US7362271B2Apr 22, 2008

Antenna apparatus, communication apparatus, and antenna apparatus designing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7196672B2Mar 27, 2007

Portable radio communication apparatus provided with a part of a housing operating as an antenna

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US7457650B2Nov 25, 2008

Portable radio communication apparatus provided with boom portion with through hole

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations83

HITACHI KOKI KK

7 patents

TOYOTA MOTOR CO LTD

6 patents

PANASONIC CORP

2 patents

RICOH KK

2 patents

MORI TAIICHI

2 patents

TOYO COMMUNICATION EQUIP

1 patent

SHOWA DENKO KK

1 patent

MURATA MANUFACTURING CO

1 patent

KOMATSU MFG CO LTD

1 patent

Showing the top 50 of 143 patents by PatentIndex Score.