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 patentsUS4903301AFeb 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 patentsUS9910379B2Mar 6, 2018
Charging member with concave portions containing insulating particles and electrophotographic apparatus
CANON KK20 citations93
US9904199B2Feb 27, 2018
Charging member having outer surface with concave portions bearing exposed elastic particles, and electrophotographic apparatus
CANON KK21 citations93
US7962068B2Jun 14, 2011
Charging member, process cartridge and electrophotographic apparatus
CANON KK48 citations93
US7693457B2Apr 6, 2010
Charging member, process cartridge, and electrophotographic apparatus
CANON KK43 citations91
US10146149B2Dec 4, 2018
Charging member, electrophotographic process cartridge, and electrophotographic image forming apparatus
CANON KK19 citations85
US7664434B2Feb 16, 2010
Charging member, process cartridge and electrophotographic apparatus
CANON KK18 citations83
US9372429B2Jun 21, 2016
Charging member, manufacturing method for charging member, electrophotographic apparatus, and process cartridge
CANON KK17 citations82
AISAN IND
4 patentsUS5703556ADec 30, 1997
Ignition coil for an internal combustion engine
AISAN IND26 citations92
US5685065ANov 11, 1997
Method of making an ignition coil
AISAN IND52 citations92
US5128646AJul 7, 1992
Ignition coil for an internal combustion engine
AISAN IND25 citations92
US5764124AJun 9, 1998
Ignition coil for an internal combustion engine
AISAN IND29 citations91
DENSO CORP
2 patentsSHOWA DENKO KK
1 patentAMERICAN MICRO SYST
1 patentHARADA MASAAKI
1 patentSUZUKI TOSHIRO
1 patentHIATCHI LTD
1 patentKDDI CORP
1 patentKURODA NORIAKI
1 patentKAWASAKI HEAVY IND LTD
1 patentNIPPON TELEGRAPH & TELEPHONE
1 patentShowing the top 50 of 97 patents by PatentIndex Score.