Inventor
Yasuhisa Higashijima
Inventor
Atsugi, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks64%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
H05KPrinted circuits9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
PatentTitleYear
6,340,880'Method of protecting a chargeable electric cell'20026,184,658'Battery pack protective circuit with external terminals on opposite side of part mounting surface of circuit board'20016,031,357'Battery charge control circuit'20005,886,502'Cell balance circuit having rechargeable cells'19995,705,913'Overdischarge detection device and overdischarge prevention device for a chargeable electric cell, operable with a variable threshold voltage to prohibit discharge in accordance with relative weight of a load'19985,617,010'Overcharge and overdischarge protection for a chargeable electric cell operable with a reduced current consumption'19975,526,215'Secondary cell protection unit for protecting a secondary cell from overdischarge or overcharge without excessive power consumption'19965,519,563'Protection circuit for electric cells from overcharge and overdischarge using a plurality of detection units of a single chip type'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to MITSUMI ELECTRIC CO LTD (8)· patent assignee history
1996–1998Based in Atsugi, JP· patent location history
1999–2002Based in Hadano, JP· patent location history
2001Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUMI ELECTRIC CO LTD | 8 | 1996–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Atsugi, JP | 4 | 1996–1998 |
| Hadano, JP | 3 | 1999–2002 |
| Kanagawa, JP | 1 | 2001 |