Inventor
NAKAMURA TAKAHARU
JP54 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA TAKAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
23 patentsUS7428693B2Sep 23, 2008
Error-detecting encoding and decoding apparatus and dividing apparatus
FUJITSU LTD63 citations98
US7142858B2Nov 28, 2006
Mobile radio communication system and method of registering position therein
FUJITSU LTD69 citations98
US4870659ASep 26, 1989
FSK demodulation circuit
FUJITSU LTD112 citations95
US6574766B2Jun 3, 2003
Turbo decoding apparatus and interleave-deinterleave apparatus
FUJITSU LTD38 citations93
US6320852B1Nov 20, 2001
Base station host apparatus used in mobile communication system which employs a site diversity receiving method and a signal processing method
FUJITSU LTD42 citations93
US6971050B1Nov 29, 2005
Interleaving method and apparatus, de-interleaving method and apparatus, and interleaving/ de-interleaving system and apparatus
FUJITSU LTD20 citations91
US4903257AFeb 20, 1990
Digital two-way radio-communication system using single frequency
FUJITSU LTD40 citations91
US7436879B1Oct 14, 2008
Spread communication system and mobile station thereof
FUJITSU LTD9 citations84
US7386299B2Jun 10, 2008
Mobile communication system and apparatus constituting same
FUJITSU LTD14 citations84
US7209709B2Apr 24, 2007
Apparatus and method for discriminating information transmitted using radio signal
FUJITSU LTD13 citations84
US7020183B2Mar 28, 2006
Code division multiple access signal receiving apparatus
FUJITSU LTD15 citations84
US6714582B2Mar 30, 2004
Code division multiple access communication system and code division multiple access transmitting apparatus
FUJITSU LTD14 citations84
US7146545B2Dec 5, 2006
Interleaving method and apparatus, de-interleaving method and apparatus, and interleaving/de-interleaving system and apparatus
FUJITSU LTD14 citations82
US4625180ANov 25, 1986
Intermittently operated frequency synthesizer having suppressed frequency instability
FUJITSU LTD19 citations73
US6636549B1Oct 21, 2003
Method for calculating phase shift coefficients of an M sequence
FUJITSU LTD11 citations72
US7533306B2May 12, 2009
Turbo decoding apparatus and interleave-deinterleave apparatus
FUJITSU LTD1 citations63
US7197066B2Mar 27, 2007
Spread communication system and mobile station thereof
FUJITSU LTD4 citations63
US6993699B2Jan 31, 2006
Turbo decoding apparatus and interleave-deinterleave apparatus
FUJITSU LTD4 citations63
US6275520B1Aug 14, 2001
Pseudo-noise generating apparatus
FUJITSU LTD6 citations63
US9629164B2Apr 18, 2017
Radio communication system, base station apparatus, terminal apparatus, and radio communication method in radio communication system
FUJITSU LTD0 citations52
US9215714B2Dec 15, 2015
Radio communication system, base station apparatus, terminal apparatus, and radio communication method in radio communication system
FUJITSU LTD0 citations52
US7843804B2Nov 30, 2010
Orthogonal frequency division multiplex transmission method
FUJITSU LTD0 citations52
US7330498B2Feb 12, 2008
Spread communication system and mobile station thereof
FUJITSU LTD0 citations52
EISAI CO LTD
21 patentsUS5118684AJun 2, 1992
Piperdine derivative and pharmaceutical composition
EISAI CO LTD32 citations95
US4921863AMay 1, 1990
Cyclic amine derivatives
EISAI CO LTD87 citations95
US5196439AMar 23, 1993
Piperidine compounds useful to treat cerebrovascular diseases
EISAI CO LTD26 citations91
US4849431AJul 18, 1989
Piperidine derivative and pharmaceutical composition
EISAI CO LTD23 citations82
US4942169AJul 17, 1990
Piperidine derivative and pharmaceutical composition
EISAI CO LTD18 citations81
US4426383AJan 17, 1984
Theophylline and theobromine derivatives
EISAI CO LTD24 citations81
US4564617AJan 14, 1986
Theophylline and theobromine derivatives
EISAI CO LTD15 citations80
US5424318AJun 13, 1995
Piperidine derivative and pharmaceutical composition
EISAI CO LTD5 citations73
US5306720AApr 26, 1994
Piperidine derivative and pharmaceutical composition
EISAI CO LTD3 citations73
US5151417ASep 29, 1992
3-substituted vinyl cephalosporin derivatives
EISAI CO LTD13 citations73
US5039681AAug 13, 1991
Piperidine derivative and pharmaceutical composition
EISAI CO LTD9 citations73
US4921850AMay 1, 1990
3-propenylcephem derivative
EISAI CO LTD5 citations73
US5523307AJun 4, 1996
Cyclic amine and pharmacological composition
EISAI CO LTD9 citations72
US5128465AJul 7, 1992
Process for the preparation of cephem derivatives and intermediates therefor
EISAI CO LTD4 citations62
US5089491AFeb 18, 1992
3-propenylcephem derivative
EISAI CO LTD2 citations62
US5006649AApr 9, 1991
3-propenylcephem derivative
EISAI CO LTD1 citations62
US4929612AMay 29, 1990
Thiadiazolylacetamide cephem derivatives
EISAI CO LTD4 citations62
US4180577ADec 25, 1979
Furo[2, 3d]pyrimidine derivatives and anti-ulcer containing the same
EISAI CO LTD3 citations62
US5102895AApr 7, 1992
Novel vitamin e derivatives and process for the production thereof
EISAI CO LTD2 citations57
US4038278AJul 26, 1977
4-aminopyrimidium derivatives and preparation thereof
EISAI CO LTD0 citations52
US5654306AAug 5, 1997
Piperidine derivative and pharmaceutical composition
EISAI CO LTD0 citations51
ACE DENKEN KK
2 patentsODE TAKAYOSHI
1 patentOKI ELECTRIC IND CO LTD
1 patentMITSUBISHI ELECTRIC CORP
1 patentMURATA SYUUICHI
1 patentShowing the top 50 of 54 patents by PatentIndex Score.