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Inventor

Kouji Yamaguchi

Inventor
Saitama, JP

Overview

51→
Patents
1987–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 51 as inventor

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

F16Hprimary
F16HGearing27%
F02DControlling combustion engines10%
B60WConjoint control of vehicle sub-units of different type or different function8%
C01BNon-metallic elements5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
F24FAir-conditioning5%
F25BRefrigeration machines, plants or systems4%
H03MCoding4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,760,839Indoor unit of air-conditioning apparatus having leaked refrigerant ventilation202010,550,300Method for producing purified active silicic acid solution and silica sol202010,400,147Method for producing purified active silicic acid solution and silica sol201910,274,219Indoor unit for air-conditioning apparatus201910,060,645Indoor unit of air-conditioning apparatus and air-conditioning apparatus including the indoor unit20189,938,155Method for producing purified alkali silicate aqueous solution and silica sol20189,791,160'Floor-positioned air-conditioning apparatus'20179,129,149'Information processing apparatus, method, and program'20159,108,855'Method for producing purified alkali silicate aqueous solution and silica sol'20158,737,682'Pipe thickness measuring device and method, and recording medium'20147,915,190'Metal catalyst and method for production thereof'20117,885,038'Magnetic head slider'20117,803,734'Metal catalyst and method for production thereof'20107,652,690'Front-end signal processing circuit and imaging device'20107,436,344'Pipeline A/D converter'20087,348,916'Pipeline A/D converter and method of pipeline A/D conversion'20087,259,709'Pipeline A/D converter'20077,243,703'Flexible heat exchanger'20075,773,781'Profiling electrical discharge machining apparatus'19985,539,913'System for judging whether a main processor after processing an interrupt is required to process the I/O control of an I/O control local processor'19965,355,772'Hydraulic servo unit with solenoid operated valves having variable duty cycles'19945,239,894'Shift control system'19935,218,540'Method of controlling continuously variable transmission in combination with engine throttle control'19935,101,689'Method of controlling speed reduction ratio in a continuously variable speed transmission'19925,060,476'Differential area motor circuit for hydrostatic transmission control'19915,040,114'Method of controlling continuously variable transmission in combination with engine throttle control'19915,014,574'Speed control apparatus for a continuously variable speed'19914,995,470'Control apparatus for hydraulic continuously variable speed transmission'19914,970,862'Hydraulic continuously variable speed transmission'19904,967,610'Method of controlling speed reduction ratio for continuously variable speed transmission'19904,962,679'Method of controlling speed reduction ratio for a continuously variable speed transmission'19904,961,315'Method of controlling speed reduction ratio of continuously variable speed transmission'19904,958,495'Hydraulic differential cylinder'19904,958,494'Controller for continuously variable speed transmission'19904,958,492'Method of controlling clutch operation for a vehicle and method of determining clutch engagement completion'19904,956,972'Method of controlling speed reduction ratio for a continuously variable speed transmission'19904,941,371'Hydraulic continuously variable speed transmission with direct clutch valve'19904,932,208'Hydraulic continuously variable speed transmission with direct clutch valve'19904,913,005'Method of controlling speed reduction ratio for a continuously variable speed transmission'19904,881,428'Throttle valve control apparatus for internal combustion engine'19894,860,708'Throttle control system for automotive internal combustion engine'19894,815,288'Non-step hydraulic transmission'19894,799,467'Throttle valve control system for an internal combustion engine'19894,791,902'Throttle valve control system for an internal combustion engine'19884,787,353'Throttle valve control apparatus for an internal combustion engine mounted on a vehicle'19884,781,162'Throttle valve control system for an internal combustion engine'19884,765,295'Throttle valve controller for internal combustion engine'19884,765,296'Throttle valve control for internal combustion engine'19884,655,330'Direct-coupling control system for torque converter in automatic transmission for vehicles'19874,646,520'Torque fluctuation absorber between a flywheel and a stepless hydraulic transmission'19874,637,293'Slant plate type hydraulic device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1994Patents assigned to HONDA MOTOR CO LTD (31)· patent assignee history
1988–1989Based in Wako, JP· patent location history
1989–1993Based in Saitama, JP· patent location history
2007–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
2007–2015Based in Kanagawa, JP· patent location history
2015–2020Patents assigned to NISSAN CHEMICAL IND LTD (4)· patent assignee history
2015–2019Patents assigned to YAMAGUCHI KOUJI (4)· patent assignee history
2015–2020Based in Toyama, JP· patent location history
2017–2020Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2017–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD311987–1994
MITSUBISHI ELECTRIC CORP42017–2020
NISSAN CHEMICAL IND LTD42015–2020
YAMAGUCHI KOUJIself42015–2019
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32007–2008
Locations
LocationPatentsSpan
Saitama, JP191989–1993
Wako, JP81988–1989
Tokyo, JP42017–2020
Toyama, JP42015–2020
Kanagawa, JP42007–2015