Inventor
Hiroaki Takechi
Inventor
Iwata, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
H02JElectric power networks13%
B60LPropulsion of electrically-propelled vehicles7%
G01RMeasuring electric variables7%
G05DSystems for controlling or regulating non-electric variables7%
Y02TClimate change mitigation technologies related to transportation7%
F02DControlling combustion engines3%
F25BRefrigeration machines, plants or systems3%
G01KMeasuring temperature3%
PatentTitleYear
10,656,213Internal resistance calculation device, recording medium, and internal resistance calculation method202010,408,864Voltage measuring apparatus, voltage measuring method, voltage control apparatus, and voltage control method201910,309,841Temperature detecting apparatus20199,735,415'Battery pack and protection method using the same'20179,653,929'Battery charging apparatus and charging method thereof'20178,600,543'Apparatus and method for controlling temperature of semiconductor wafers'20138,109,328'Fluid temperature control device'20126,529,816'Evolutionary controlling system for motor'20036,148,909'Temperature control device and temperature control method'20005,864,224'Method for charging secondary battery and charger therefor'19995,764,009'Motor control device in electric motor-operated vehicle'19985,751,136'Checking method of connection between secondary battery and battery charger and checking device'19985,154,986'Shut-off device for fuel cell system'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2003Patents assigned to YAMAHA MOTOR CO LTD (5)· patent assignee history
1992–1999Based in Iwata, JP· patent location history
2000–2013Based in Hadano, JP· patent location history
2012–2013Patents assigned to KELK LTD (2)· patent assignee history
2012–2013Patents assigned to TAKECHI HIROAKI (2)· patent assignee history
2017Patents assigned to SAMSUNG SDI CO LTD (2)· patent assignee history
2017Based in Cheonan-si, KR· patent location history
2017Based in Yongin-si, KR· patent location history
2019–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (3)· patent assignee history
2019–2020Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA MOTOR CO LTD | 5 | 1992–2003 |
| SUMITOMO ELECTRIC INDUSTRIES | 3 | 2019–2020 |
| KELK LTD | 2 | 2012–2013 |
| SAMSUNG SDI CO LTD | 2 | 2017 |
| TAKECHI HIROAKIself | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwata, JP | 4 | 1992–1999 |
| Osaka, JP | 3 | 2019–2020 |
| Hadano, JP | 3 | 2000–2013 |
| Cheonan-si, KR | 1 | 2017 |
| Yongin-si, KR | 1 | 2017 |