Inventor
Fumikazu Iwahana
Inventor
Tokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables100%
PatentTitleYear
8,129,996'Method and apparatus for determining deterioration of secondary battery, and power supply system therewith'20128,078,416'Remaining electrical charge/remaining capacity estimating method, battery state sensor and battery power source system'20117,788,052'Method and device for determining state of health of the battery, and battery power supply system'20107,626,394'Method and apparatus for determining deterioration of secondary battery, and power supply system therewith'20097,616,003'Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system'20097,525,284'Charging rate estimating method, charging rate estimating unit and battery system'20097,362,074'Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2012Patents assigned to FURUKAWA ELECTRIC CO LTD (7)· patent assignee history
2008–2012Based in Tokyo, JP· patent location history
2011–2012Patents assigned to IWAHANA FUMIKAZU (2)· patent assignee history
2011–2012Patents assigned to IWANE NORIYASU (2)· patent assignee history
2011–2012Patents assigned to KIMURA ATSUSHI (2)· patent assignee history
2011–2012Patents assigned to SATO TOSHIYUKI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FURUKAWA ELECTRIC CO LTD | 7 | 2008–2012 |
| IWAHANA FUMIKAZUself | 2 | 2011–2012 |
| IWANE NORIYASU | 2 | 2011–2012 |
| KIMURA ATSUSHI | 2 | 2011–2012 |
| SATO TOSHIYUKI | 2 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2008–2012 |