Inventor
IKEDA TAMOTSU
JP80 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA TAMOTSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
28 patentsUS6041432AMar 21, 2000
Apparatus and method for detecting signal points using signal point-mapping
SONY CORP117 citations99
US5717706AFeb 10, 1998
Apparatus and method for detecting signal points using signal point-mapping
SONY CORP195 citations99
US6118825ASep 12, 2000
Digital data transmission device and method, digital data demodulation device and method, and transmission medium
SONY CORP128 citations98
US5903546AMay 11, 1999
Means and method of improving multiplexed transmission and reception by coding and modulating divided digital signals
SONY CORP132 citations98
US6169768B1Jan 2, 2001
Receiving apparatus and method
SONY CORP82 citations96
US5787123AJul 28, 1998
Receiver for orthogonal frequency division multiplexed signals
SONY CORP73 citations96
US5691995ANov 25, 1997
Transmission of data by using convolutional coding of different code rates and the encoded data reception including decoding of the received data
SONY CORP69 citations96
US7356094B1Apr 8, 2008
Digital broadcast receiving apparatus
SONY CORP27 citations93
US7289765B2Oct 30, 2007
OFDM demodulator
SONY CORP25 citations93
US6381727B1Apr 30, 2002
Apparatus and method for receiving data with bit insertion
SONY CORP19 citations93
US6327316B1Dec 4, 2001
Data receiver using approximated bit metrics
SONY CORP20 citations93
US6324224B1Nov 27, 2001
Apparatus and method for receiving data with bit insertion
SONY CORP21 citations93
US5867532AFeb 2, 1999
Data reception apparatus, data transmission apparatus and method thereof
SONY CORP33 citations93
US7403472B2Jul 22, 2008
OFDM receiving device and OFDM receiving method
SONY CORP21 citations92
US7075949B2Jul 11, 2006
OFDM receiving device and OFDM receiving method
SONY CORP36 citations92
US6856590B2Feb 15, 2005
OFDM transmission device and OFDM transmission method
SONY CORP51 citations92
US7158475B1Jan 2, 2007
Transmitting apparatus and method and provision medium
SONY CORP13 citations84
US5724394AMar 3, 1998
Viterbi decoding method and decoder capable of eliminating phase indeterminacy
SONY CORP14 citations74
US6681363B1Jan 20, 2004
Data receiver, data transmission system, and data transmitting method therefor
SONY CORP7 citations73
US9294735B2Mar 22, 2016
Image transmission system and image transmission method
SONY CORP2 citations63
US7697411B2Apr 13, 2010
OFDM broadcast system for transporting streams of data
SONY CORP4 citations63
US7475418B2Jan 6, 2009
Digital broadcasting system and method for automatically locating programs after relocation
SONY CORP3 citations63
US6668351B1Dec 23, 2003
Decoder and decoding method
SONY CORP6 citations63
US5805484ASep 8, 1998
Orthogonal function generating circuit and orthogonal function generating method
SONY CORP5 citations63
US9495911B2Nov 15, 2016
Display panel, driving method, and electronic apparatus
SONY CORP2 citations62
US8045658B2Oct 25, 2011
Reception apparatus, reception method and program
SONY CORP4 citations62
US8045945B2Oct 25, 2011
Reception apparatus, reception method and program
SONY CORP6 citations62
US7054357B1May 30, 2006
Error rate estimating device, method, and information recording medium
SONY CORP2 citations62
IKEDA TAMOTSU
4 patentsUS8867942B2Oct 21, 2014
Lever switcher with mechanism for minimizing mechanical shock and sound and fixing device and image forming apparatus incorporating lever switcher
IKEDA TAMOTSU6 citations72
US12436486B2Oct 7, 2025
Fixing device including a conductor contacting an inner surface of a fixing rotator
IKEDA TAMOTSU0 citations62
US11573513B2Feb 7, 2023
Heating device, fixing device, and image forming apparatus
IKEDA TAMOTSU0 citations62
US8599015B2Dec 3, 2013
Receiving device, information processing method, program, and semiconductor chip
IKEDA TAMOTSU2 citations60
STADELMEIER LOTHAR
2 patentsHITACHI LTD
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsJAPAN BROADCASTING CORP
1 patentSAITO OSAMU
1 patentSAMEI MASAHIRO
1 patentNANNO SHIGEO
1 patentMURATA MACHINERY LTD
1 patentOKAMOTO JUN
1 patentOGISO TOSHIO
1 patentRICOH CO LTD
1 patentHIRAOKA CHIKARA
1 patentKAWAKAMI YOSHIHIRO
1 patentSAKAYA KOHTA
1 patentSAITOH SEIJI
1 patentShowing the top 50 of 80 patents by PatentIndex Score.