Inventor

Jun Yamazaki

Inventor
Tokyo, JP

Overview

37→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 37 as inventor

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

Y04Sprimary
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids10%
H02JElectric power networks9%
H04MTelephonic communication8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
G06FElectric digital data processing7%
H01JElectric discharge tubes or discharge lamps7%
G01CMeasuring distances, levels or bearings5%
G01RMeasuring electric variables5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
11,133,674System operation support device and method in power system, and wide-area monitoring protection control system202111,101,095Devices having an electron emitting structure202110,628,896System stability monitoring device and system stability monitoring system202010,598,702Similarity detection of abnormal waveforms using PMU measurement202010,473,700Voltage stability monitoring device and method201910,461,538System stabilization control device and power system control system201910,371,592System stability monitoring apparatus and method201910,242,836Devices having an electron emitting structure201910,222,196Electric power system monitoring device and electric power system monitoring system201910,193,385Power system monitoring apparatus, power system control apparatus, and power system monitoring method employing events of assumable breakdowns and assumable output changes20199,852,483Forecast system and method of electric power demand20179,843,190'Power system management device and method'20179,746,511'Estimating the locations of power system events using PMU measurements'20179,651,047'Compressor having a partitioned discharge chamber'20179,624,928'Scroll-type compressor with gas passage formed in orbiting plate to restrict flow from compression chamber to back pressure chamber'20179,389,005'Two-stage compression refrigeration cycle device'20168,958,984'Route search device, server device and navigation device'20158,667,070'Storage medium storing a mail management program, and mail management apparatus and method'20148,624,838'Electronic apparatus'20148,619,028'Mobile communication terminal, application program, image display control apparatus, electronic apparatus, and image display control method'20138,326,566'Program development system'20128,205,211'Application switching within electronic apparatus'20128,173,751'Defoamers for top coat paints for motor vehicles'20128,041,532'Method for information processing, information processing apparatus, and computer program for information processing'20117,886,600'Motion sensor and portable telephone using the same'20117,702,402'Function control method, and terminal device'20107,469,197'Measurement data collection method and portable information device'20087,420,364'Small-sized attitude detection sensor and portable telephone using the small-sized attitude detection sensor'20087,419,722'Heat-radiating sheet and heat-radiating structure'20087,368,903'Measurement method and mobile information device'20086,655,104'PC steel stranded wire connection structure and construction method thereof'20036,057,641'Cathode-ray tube with fixing springs for color selection electrode'20005,896,803'Shoe for swash plate compressor'19995,525,859'Color cathode ray tube'19965,382,871'Color selecting structure for a cathode-ray tube'19954,798,992'Color cathode-ray tube with electron beam selection mask support structure'19894,696,879'Method for exposing a color tri-cathode ray tube panel to form three separate color phosphor stripe patterns by exposure from three separate light source positions using combination of corrective lenses'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2000Patents assigned to SONY CORP (5)· patent assignee history
1987–2019Based in Aichi, JP· patent location history
2008–2014Patents assigned to VODAFONE PLC (6)· patent assignee history
2008–2021Based in Tokyo, JP· patent location history
2012–2017Patents assigned to YAMAZAKI JUN (9)· patent assignee history
2012–2014Patents assigned to KUSUDA HIROHISA (4)· patent assignee history
2015–2021Patents assigned to HITACHI LTD (12)· patent assignee history
2016–2017Based in Kariya, JP· patent location history
2017–2020Based in Santa Clara, CA, US· patent location history
2021Based in Toyota-shi, Aichi-ken, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD122015–2021
YAMAZAKI JUNself92012–2017
VODAFONE PLC62008–2014
SONY CORP51987–2000
KUSUDA HIROHISA42012–2014
Locations
LocationPatentsSpan
Tokyo, JP202008–2021
Aichi, JP61987–2019
Kariya, JP32016–2017
Santa Clara, California, US22017–2020
Toyota-shi, Aichi-ken, JP12021