Inventor · disambiguated record
Hitoshi Kitayoshi
Also filed as: KITAYOSHI HITOSHI
29 granted patents·337 citations·filing 1983–2015
97Inventor score
Top patents by PatentIndex Score
29 records- 0185US8559486B2RF tag, RF tag reader, and pulse code key detecting circuit, and RF tag system using themKITAYOSHI HITOSHI·Filed 2008·Granted Oct 15, 2013·14 cites·4 claims
- 0282US8253640B2Thin slot antenna having cavity, antenna power feeding method, and RFID tag device using the antenna and the methodKITAYOSHI HITOSHI·Filed 2007·Granted Aug 28, 2012·15 cites·3 claims
- 0381US4539518ASignal generator for digital spectrum analyzerTAKEDA RIKEN IND CO LTD·Filed 1983·Granted Sep 3, 1985·33 cites·14 claims
- 0476US6275181B1Radio hologram observation apparatus and method thereforADVANTEST CORP·Filed 2000·Granted Aug 14, 2001·25 cites·12 claims
- 0567US5576978AHigh resolution frequency analyzer and vector spectrum analyzerADVANTEST CORP·Filed 1994·Granted Nov 19, 1996·26 cites·10 claims
- 0665US5752167ARadio propagation simulation method, wave field strength inference method and three-dimensional delay spread inference methodADVANTEST CORP·Filed 1996·Granted May 12, 1998·33 cites·12 claims
- 0762US9379666B2Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing sameKITAYOSHI HITOSHI·Filed 2011·Granted Jun 28, 2016·2 cites·11 claims
- 0861US6249248B1Radio wave visualizing method and apparatusADVANTEST CORP·Filed 1999·Granted Jun 19, 2001·23 cites·7 claims
- 0960US5748314ACorrelation function measurement method and apparatus, and wave source image visualization method and apparatus based on correlation function measurementADVANTEST CORP·Filed 1996·Granted May 5, 1998·25 cites·16 claims
- 1058US8179263B2RF ID tag deviceKITAYOSHI HITOSHI·Filed 2005·Granted May 15, 2012·4 cites·21 claims
- 1157US4947130AImpedance measuring apparatusADVANTEST CORP·Filed 1988·Granted Aug 7, 1990·15 cites·13 claims
- 1254US6804617B2Field distribution measuring method and deviceADVANTEST CORP·Filed 2001·Granted Oct 12, 2004·6 cites·14 claims
- 1354US6347060B1Hologram observation method and hologram observation apparatus and multi-dimensional hologram data processing method and multi-dimensional hologram data processing apparatusADVANTEST CORP·Filed 2000·Granted Feb 12, 2002·2 cites·7 claims
- 1454US6140960AHologram observation method for three-dimensional wave source distribution, and stereoscopic directivity estimation method of antenna and wave distribution observation method based on hologram observationADVANTEST CORP·Filed 1998·Granted Oct 31, 2000·19 cites·21 claims
- 1553US9607186B2RF tag system which allows a scheduled start RF tag and a remote start RF tag to share the same frequency bandKITAYOSHI HITOSHI·Filed 2013·Granted Mar 28, 2017·0 cites·1 claims
- 1650US8493181B2Sensor tag, sensor tag device, power receiving circuit, and sensor tag device power supply methodKITAYOSHI HITOSHI·Filed 2006·Granted Jul 23, 2013·1 cites·20 claims
- 1750US5974178AWavesource image visualization method using a partial division fast fourier transformADVANTEST CORP·Filed 1997·Granted Oct 26, 1999·15 cites·3 claims
- 1847US5656932ANon-contact type wave signal observation apparatusADVANTEST CORP·Filed 1995·Granted Aug 12, 1997·23 cites·30 claims
- 1946US6400331B2Radio hologram observation apparatus and method thereforADVANTEST CORP·Filed 2001·Granted Jun 4, 2002·4 cites·7 claims
- 2041US5519402ADoppler shift compensation apparatusADVANTEST CORP·Filed 1995·Granted May 21, 1996·14 cites·3 claims
- 2140US7187324B2Radiowave monitoring method and apparatusADVANTEST CORP·Filed 2001·Granted Mar 6, 2007·1 cites·15 claims
- 2240US6188356B1Radio monitoring method and apparatusADVANTEST CORP·Filed 1999·Granted Feb 13, 2001·15 cites·18 claims
- 2340US5146224AAc signal generating apparatus for voltage and current standardADVANTEST CORP·Filed 1990·Granted Sep 8, 1992·8 cites·4 claims
- 2435US10567013B2Rotary system mounted piezoelectric generator, self-powered wireless communication terminal and wireless communication systemUNIV TOHOKU·Filed 2015·Granted Feb 18, 2020·0 cites·16 claims
- 2532US6198539B1Hologram observation method and hologram observation apparatusADVANTEST CORP·Filed 1998·Granted Mar 6, 2001·4 cites·15 claims
- 2632US5093627AImpedance and transfer characteristic measuring apparatusADVANTEST CORP·Filed 1990·Granted Mar 3, 1992·3 cites·8 claims
- 2732US4901027ASignal generatorADVANTEST CORP·Filed 1988·Granted Feb 13, 1990·2 cites·7 claims
- 2830US6314271B1Method and apparatus for visualizing radio wave in certain areaADVANTEST CORP·Filed 1999·Granted Nov 6, 2001·1 cites·9 claims
- 2929US4713788ABurst signal generatorTAKEDA RIKEN IND CO LTD·Filed 1984·Granted Dec 15, 1987·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →