Inventor · disambiguated record
Kyoko Ikawa
Also filed as: IKAWA KYOKO
7 granted patents·1 pending application·208 citations·filing 1993–2002
88Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
8 records- 0177US5922491ASecondary batteryHITACHI LTD·Filed 1996·Granted Jul 13, 1999·63 cites·15 claims
- 0275US6034507AElectric vehicle with secondary battery power storage systemHITACHI LTD·Filed 1998·Granted Mar 7, 2000·51 cites·4 claims
- 0374USRE37678ESecondary battery power storage systemHITACHI LTD·Filed 2000·Granted Apr 30, 2002·25 cites·63 claims
- 0463US5834922ASecondary battery power storage systemHITACHI LTD·Filed 1996·Granted Nov 10, 1998·31 cites·31 claims
- 0557USRE39908ESecondary battery power storage systemHITACHI LTD·Filed 2002·Granted Nov 6, 2007·12 cites·35 claims
- 0653US5537390ADevice for detecting residual capacity of secondary batteryHITACHI LTD·Filed 1993·Granted Jul 16, 1996·22 cites·20 claims
- 0750USRE39749EElectric vehicle with secondary battery power storage systemHITACHI LTD·Filed 2002·Granted Jul 31, 2007·4 cites·12 claims
- 0835US2001020927A1Secondary cell using systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →