P

Inventor

TSUTSUI MASAFUMI

JP46 patents
⚠️ This page may combine multiple inventors who share the name “TSUTSUI MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

21 patents
US6385181B1May 7, 2002

Array antenna system of wireless base station

FUJITSU LTD157 citations99
US6064338AMay 16, 2000

Array antenna system of wireless base station

FUJITSU LTD196 citations99
US6032026AFeb 29, 2000

Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system

FUJITSU LTD131 citations99
US7688909B2Mar 30, 2010

Radio communication system, radio communication method, radio transmitter and radio receiver

FUJITSU LTD58 citations98
US6347220B1Feb 12, 2002

Multiple-beam antenna system of wireless base station

FUJITSU LTD89 citations98
US6192067B1Feb 20, 2001

Multistage interference canceller

FUJITSU LTD145 citations98
US6157685ADec 5, 2000

Interference canceller equipment and interference cancelling method for use in a multibeam-antenna communication system

FUJITSU LTD90 citations98
US6058318AMay 2, 2000

Radio base station in cellular mobile communication system

FUJITSU LTD67 citations96
US6904076B1Jun 7, 2005

Interference canceller device and radio communication device

FUJITSU LTD37 citations92
US6493379B1Dec 10, 2002

Arrival direction estimation method using an array antenna and DS-CDMA receiver unit using the method

FUJITSU LTD27 citations92
US6473451B1Oct 29, 2002

Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system

FUJITSU LTD32 citations92
US6208294B1Mar 27, 2001

Array antenna receiving device

FUJITSU LTD35 citations92
US6549527B1Apr 15, 2003

Radio receiver and despreader

FUJITSU LTD16 citations84
US7505509B2Mar 17, 2009

Receiving communication apparatus using array antenna

FUJITSU LTD7 citations74
US7209512B2Apr 24, 2007

CDMA receiver, and searcher in a CDMA receiver

FUJITSU LTD9 citations74
US9294166B2Mar 22, 2016

Wireless transmission method, and wireless transmitter and wireless receiver

FUJITSU LTD0 citations52
US8849212B2Sep 30, 2014

Wireless transmission method, and wireless transmitter and wireless receiver

FUJITSU LTD0 citations52
US8849211B2Sep 30, 2014

Wireless transmission method, and wireless transmitter and wireless receiver

FUJITSU LTD0 citations52
US8374301B2Feb 12, 2013

Wireless relay apparatus and wireless relay method

FUJITSU LTD0 citations52
US10721633B2Jul 21, 2020

Base station, wireless terminal, wireless communication system, and communication control method

FUJITSU LTD0 citations42
US9722860B2Aug 1, 2017

Communication apparatus and wireless communication control method

FUJITSU LTD0 citations42

PANASONIC CORP

11 patents

TSUTSUI MASAFUMI

7 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents

SHIIZAKI KOTARO

1 patent

SATO TOMONORI

1 patent

TOWER PARTNERS SEMICONDUCTOR CO LTD

1 patent

TOWER PARTNERS SEMICODUCTOR CO LTD

1 patent