Inventor

Shoji Sakai

Inventor
Toyota, JP

Overview

36→
Patents
1976–2015
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 36 as inventor

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

D01Hprimary
D01HSpinning or twisting14%
G01RMeasuring electric variables10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y02TClimate change mitigation technologies related to transportation8%
H02JElectric power networks7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B60LPropulsion of electrically-propelled vehicles6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
PatentTitleYear
8,958,225'Electric power converter'20158,905,016'Heliostat for collecting sunlight and method of controlling the same'20147,805,264'Method of calculating internal resistance of secondary battery for vehicle'20107,777,446'Method and apparatus for calculating battery state and apparatus for controlling power voltage in vehicle'20107,679,328'Apparatus for detecting charged state of secondary battery'20107,554,296'Method and apparatus for detecting charged state of secondary battery based on neural network calculation'20096,987,377'State-of-charge detector, program, method and charge-discharge control device utilizing rate of change of internal resistance'20066,608,482'Battery control method for hybrid vehicle'20035,969,624'Battery charge control system for a hybrid vehicle driven by an electric motor and an internal combustion engine'19995,939,794'Engine control system for hybrid vehicle'19995,786,640'Generator control system for a hybrid vehicle driven by an electric motor and an internal combustion engine'19985,723,971'Apparatus for charging a battery for a charge time determined based on the depth of discharge'19985,698,962'Memory effect sensitive battery monitoring apparatus for electric vehicles'19975,652,069'Battery power monitoring apparatus for vehicle'19975,606,243'Battery state judging apparatus'19975,149,001'Method and apparatus for separation of doubled yarn'19925,129,124'Cleaning machine'19925,129,125'Cleaning machine'19924,998,407'Method and apparatus for producing yarn'19914,942,731'Spinning method and spinning apparatus'19904,922,705'Cleaning device for a drafting device in a spinning machine'19904,848,072'Method for producing spun yarns'19894,845,932'Method of and apparatus for spinning yarn'19894,691,415'Roller of draft apparatus'19874,662,859'Resilient shaft coupling device'19874,569,104'Apron for a draft apparatus'19864,538,329'Draft device'19854,535,944'Spinning machine with a doffing apparatus'19854,517,794'Method of guiding yarn end in air spinning apparatus'19854,457,130'Air spinning nozzle unit'19844,456,188'Apparatus for slacking yarn in winder'19844,412,413'Air current rectifier plate on an air spinning device'19834,105,716'Process for producing tetrafluoroethylene/hexafluoropropylene copolymer blends'19784,065,174'Automotive seat convertible to a bed'19773,991,894'Apparatus for automatic cop feeding'19763,945,488'Apparatus for automatic cop feeding'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1992Patents assigned to MURATA MACHINERY LTD (17)· patent assignee history
1976–1985Based in Kyoto, JP· patent location history
1986–1992Based in Nagaokakyo, JP· patent location history
1992Patents assigned to KOMATSU ZENOA KK (2)· patent assignee history
1992Based in Tokyo, JP· patent location history
1997–2010Patents assigned to NIPPON SOKEN (12)· patent assignee history
1997–2015Based in Toyota, JP· patent location history
1997–1998Based in Nishio, JP· patent location history
2003–2015Patents assigned to DENSO CORP (6)· patent assignee history
2014Patents assigned to ABE KATSUYOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURATA MACHINERY LTD171976–1992
NIPPON SOKEN121997–2010
DENSO CORP62003–2015
KOMATSU ZENOA KK21992
ABE KATSUYOSHI12014
Locations
LocationPatentsSpan
Toyota, JP121997–2015
Nagaokakyo, JP91986–1992
Kyoto, JP81976–1985
Nishio, JP21997–1998
Tokyo, JP21992