Inventor

Hitoshi Kitayoshi

Inventor

Tokyo, JP

Overview

29→

Patents

1985–2020

Patent span

Physics

Primary field (CPC G)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Rprimary

G01RMeasuring electric variables19%

H04BTransmission14%

G03HHolographic processes or apparatus11%

H01QAntennas, i.e. radio aerials11%

G06KGraphical data reading9%

G01SRadio direction-finding7%

H04LTransmission of digital information, e.g. telegraphic communication5%

G06FElectric digital data processing4%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves2%

PatentTitleYear

10,567,013Rotary system mounted piezoelectric generator, self-powered wireless communication terminal and wireless communication system2020 9,607,186'RF tag system which allows a scheduled start RF tag and a remote start RF tag to share the same frequency band'2017 9,379,666'Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing same'2016 8,559,486'RF tag, RF tag reader, and pulse code key detecting circuit, and RF tag system using them'2013 8,493,181'Sensor tag, sensor tag device, power receiving circuit, and sensor tag device power supply method'2013 8,253,640'Thin slot antenna having cavity, antenna power feeding method, and RFID tag device using the antenna and the method'2012 8,179,263'RF ID tag device'2012 7,187,324'Radiowave monitoring method and apparatus'2007 6,804,617'Field distribution measuring method and device'2004 6,400,331'Radio hologram observation apparatus and method therefor'2002 6,347,060'Hologram observation method and hologram observation apparatus and multi-dimensional hologram data processing method and multi-dimensional hologram data processing apparatus'2002 6,314,271'Method and apparatus for visualizing radio wave in certain area'2001 6,275,181'Radio hologram observation apparatus and method therefor'2001 6,249,248'Radio wave visualizing method and apparatus'2001 6,198,539'Hologram observation method and hologram observation apparatus'2001 6,188,356'Radio monitoring method and apparatus'2001 6,140,960'Hologram observation method for three-dimensional wave source distribution, and stereoscopic directivity estimation method of antenna and wave distribution observation method based on hologram observation'2000 5,974,178'Wavesource image visualization method using a partial division fast fourier transform'1999 5,752,167'Radio propagation simulation method, wave field strength inference method and three-dimensional delay spread inference method'1998 5,748,314'Correlation function measurement method and apparatus, and wave source image visualization method and apparatus based on correlation function measurement'1998 5,656,932'Non-contact type wave signal observation apparatus'1997 5,576,978'High resolution frequency analyzer and vector spectrum analyzer'1996 5,519,402'Doppler shift compensation apparatus'1996 5,146,224'AC signal generating apparatus for voltage and current standard'1992 5,093,627'Impedance and transfer characteristic measuring apparatus'1992 4,947,130'Impedance measuring apparatus'1990 4,901,027'Signal generator'1990 4,713,788'Burst signal generator'1987 4,539,518'Signal generator for digital spectrum analyzer'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1987Patents assigned to TAKEDA RIKEN IND CO LTD (2)· patent assignee history

1985–1992Based in Gyoda, JP· patent location history

1990–2007Patents assigned to ADVANTEST CORP (20)· patent assignee history

1996–2007Based in Tokyo, JP· patent location history

1997Based in Kamiayashi, JP· patent location history

1998–2020Based in Sendai, JP· patent location history

2012–2017Patents assigned to KITAYOSHI HITOSHI (6)· patent assignee history

2012–2016Patents assigned to SAWAYA KUNIO (4)· patent assignee history

2012–2017Based in Miyagi, JP· patent location history

2016–2020Patents assigned to UNIV TOHOKU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ADVANTEST CORP	20	1990–2007
KITAYOSHI HITOSHIself	6	2012–2017
SAWAYA KUNIO	4	2012–2016
TAKEDA RIKEN IND CO LTD	2	1985–1987
UNIV TOHOKU	2	2016–2020

Locations

Location	Patents	Span
Tokyo, JP	14	1996–2007
Gyoda, JP	6	1985–1992
Miyagi, JP	5	2012–2017
Sendai, JP	3	1998–2020
Kamiayashi, JP	1	1997