P

Inventor

SUZUKI TOSHIRO

JP97 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI TOSHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

28 patents
US4903301AFeb 20, 1990

Method and system for transmitting variable rate speech signal

HITACHI LTD191 citations99
US4809271AFeb 28, 1989

Voice and data multiplexer system

HITACHI LTD139 citations98
US6701132B1Mar 2, 2004

Mobile communication system, mobile station, and base station that calculates distance from mobile station

HITACHI LTD74 citations97
US6647276B1Nov 11, 2003

Antenna unit and radio base station therewith

HITACHI LTD56 citations96
US4459698AJul 10, 1984

Variable equalizer

HITACHI LTD79 citations96
US7068637B2Jun 27, 2006

Base station and mobile communication system

HITACHI LTD55 citations95
US6112081AAug 29, 2000

Integrated control system for radio service areas of base stations in mobile communication system

HITACHI LTD53 citations95
US5517652AMay 14, 1996

Multi-media server for treating multi-media information and communication system empolying the multi-media server

HITACHI LTD149 citations95
US5901144AMay 4, 1999

Mobile radio communications system

HITACHI LTD42 citations94
US4769612ASep 6, 1988

Integrated switched-capacitor filter with improved frequency characteristics

HITACHI LTD120 citations94
US5327459AJul 5, 1994

Semiconductor integrated circuit containing an automatic equalizer including a circuit for periodically updating a plurality of tap coefficients at varying frequencies

HITACHI LTD22 citations93
US4993022AFeb 12, 1991

System for and method of multiplexing speech signals utilizing priority signals for individual transmission channels

HITACHI LTD38 citations93
US6879845B2Apr 12, 2005

Wireless communication method and system using beam direction-variable antenna

HITACHI LTD47 citations92
US5596721AJan 21, 1997

Screen communications system granting screen modifying requests if no other requests received after first period of time and releasing requests after second period of time

HITACHI LTD30 citations92
US5119424AJun 2, 1992

Speech coding system using excitation pulse train

HITACHI LTD44 citations92
US4841521AJun 20, 1989

Method and system for bidirectionally transmitting data

HITACHI LTD25 citations92
US6836674B2Dec 28, 2004

Method of controlling directional antenna and apparatus of the same

HITACHI LTD20 citations91
US5586122ADec 17, 1996

Time division multiple access mobile wireless telecommunication system

HITACHI LTD41 citations91
US4918734AApr 17, 1990

Speech coding system using variable threshold values for noise reduction

HITACHI LTD34 citations91
US5652752AJul 29, 1997

Mobile radio communication system employing time division multiple transmission scheme

HITACHI LTD38 citations90
US5237590AAug 17, 1993

Timing extraction circuit and communication system utilizing the same

HITACHI LTD42 citations90
US7203462B2Apr 10, 2007

Antenna unit and radio base station therewith

HITACHI LTD10 citations84
US6754255B1Jun 22, 2004

Mobile terminal, a base station, and a synchronization control method

HITACHI LTD14 citations84
US4642552AFeb 10, 1987

Stabilized current source circuit

HITACHI LTD23 citations81
US4835482AMay 30, 1989

Semiconductor integrated circuit forming a switched capacitor filter

HITACHI LTD21 citations80
US6907260B1Jun 14, 2005

Method for controlling transmit power for communication system

HITACHI LTD11 citations74
US5060268AOct 22, 1991

Speech coding system and method

HITACHI LTD17 citations74
US4775989AOct 4, 1988

Timing phase detector circuit

HITACHI LTD7 citations74

CANON KK

7 patents

AISAN IND

4 patents

DENSO CORP

2 patents

SHOWA DENKO KK

1 patent

AMERICAN MICRO SYST

1 patent

HARADA MASAAKI

1 patent

SUZUKI TOSHIRO

1 patent

HIATCHI LTD

1 patent

KDDI CORP

1 patent

KURODA NORIAKI

1 patent

KAWASAKI HEAVY IND LTD

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

Showing the top 50 of 97 patents by PatentIndex Score.