P

Inventor

TSUNEKAWA KOICHI

JP16 patents
⚠️ This page may combine multiple inventors who share the name “TSUNEKAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

7 patents
US5767810AJun 16, 1998

Microstrip antenna device

NIPPON TELEGRAPH & TELEPHONE103 citations96
US5872546AFeb 16, 1999

Broadband antenna using a semicircular radiator

NIPPON TELEGRAPH & TELEPHONE199 citations95
US5374937ADec 20, 1994

Retractable antenna system

NIPPON TELEGRAPH & TELEPHONE232 citations94
US5412392AMay 2, 1995

Portable radio unit having strip antenna with parallel twin-lead feeder

NIPPON TELEGRAPH & TELEPHONE43 citations92
US5917450AJun 29, 1999

Antenna device having two resonance frequencies

NIPPON TELEGRAPH & TELEPHONE52 citations91
US5617105AApr 1, 1997

Antenna equipment

NIPPON TELEGRAPH & TELEPHONE46 citations91
US5568155AOct 22, 1996

Antenna devices having double-resonance characteristics

NIPPON TELEGRAPH & TELEPHONE44 citations91

TSUNEKAWA KOICHI

3 patents
US8897799B2Nov 25, 2014

Wireless communication system, wireless communication apparatus, and wireless communication method

TSUNEKAWA KOICHI5 citations69
US8687537B2Apr 1, 2014

Communication system, reception device, and communication method

TSUNEKAWA KOICHI1 citations48
US8804648B2Aug 12, 2014

Wireless communication system, base station apparatus, mobile station apparatus, communication control method, and communication control program

TSUNEKAWA KOICHI0 citations39

MITSUBISHI ELECTRIC CORP

2 patents
US5434579AJul 18, 1995

Inverted F antenna with non-contact feeding

MITSUBISHI ELECTRIC CORP49 citations95
US5684492ANov 4, 1997

Antenna device having a band pass filter

MITSUBISHI ELECTRIC CORP41 citations91

ISHIKURA KATSUTOSHI

2 patents
US9240869B2Jan 19, 2016

Wireless communication system

ISHIKURA KATSUTOSHI4 citations67
US9215698B2Dec 15, 2015

Communication terminal, base station, wireless communication system, control method and program therefor, and recording medium having control program recorded thereon

ISHIKURA KATSUTOSHI0 citations32

KAMENO TOSHIAKI

2 patents
US9113372B2Aug 18, 2015

Wireless communication system, base station apparatus, communication apparatus, and communication control program

KAMENO TOSHIAKI0 citations34
US8655264B2Feb 18, 2014

Communication system, base station device, mobile station device, and communication method

KAMENO TOSHIAKI0 citations34