Inventor
SAWAMURA MASATOSHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SAWAMURA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
7 patentsUS6366247B1Apr 2, 2002
Antenna device and portable radio set
SONY CORP99 citations98
US7069043B2Jun 27, 2006
Wireless communication device with two internal antennas
SONY CORP85 citations97
US6535170B2Mar 18, 2003
Dual band built-in antenna device and mobile wireless terminal equipped therewith
SONY CORP123 citations97
US6362792B1Mar 26, 2002
Antenna apparatus and portable radio set
SONY CORP97 citations97
US6295030B1Sep 25, 2001
Antenna apparatus and portable radio communication apparatus
SONY CORP99 citations97
US6362793B1Mar 26, 2002
Antenna device and portable radio set
SONY CORP35 citations92
US6229485B1May 8, 2001
Antenna device
SONY CORP10 citations73
SONY ERICSSON MOBILE COMM JP
3 patentsUS7053848B2May 30, 2006
Antenna device and portable radio communication terminal
SONY ERICSSON MOBILE COMM JP27 citations92
US7082324B2Jul 25, 2006
Built-in antenna of a portable wireless terminal for communication between mobile units
SONY ERICSSON MOBILE COMM JP13 citations83
US7266399B2Sep 4, 2007
Clamshell portable wireless terminal with an upper housing and a lower housing connected to each other through a hinge with a built-in antenna housed in a projection section near the hinge
SONY ERICSSON MOBILE COMM JP4 citations62