Inventor · disambiguated record
Chiaki Kumahara
Also filed as: KUMAHARA CHIAKI
8 granted patents·5 pending applications·137 citations·filing 2003–2017
87Inventor score
Top patents by PatentIndex Score
13 records- 0195US7161834B2Memory card and data processing systemRENESAS TECH CORP·Filed 2005·Granted Jan 9, 2007·45 cites·7 claims
- 0290US6982919B2Memory card and data processing systemRENESAS TECH CORP·Filed 2004·Granted Jan 3, 2006·54 cites·9 claims
- 0371US10670478B2Temperature measurement circuit and method, and microcomputer unitRENESAS ELECTRONICS CORP·Filed 2017·Granted Jun 2, 2020·1 cites·17 claims
- 0470US7286435B2Memory card device having low consumed power in the consumed power stateRENESAS TECH CORP·Filed 2004·Granted Oct 23, 2007·16 cites·12 claims
- 0559US7296097B2Memory card and initialization setting method thereof to avoid initializing operation failure in a memory cardRENESAS TECH CORP·Filed 2003·Granted Nov 13, 2007·6 cites·15 claims
- 0658US7070113B2Nonvolatile memory cardHITACHI ULSI SYS CO LTD·Filed 2003·Granted Jul 4, 2006·10 cites·17 claims
- 0749US7269748B2System for preventing errors upon ejection of a memory card from a slotRENESAS TECH CORP·Filed 2003·Granted Sep 11, 2007·4 cites·20 claims
- 0849US2008010478A1Card deviceODATE HIDEFUMI·Filed 2007·Application pending·0 cites
- 0944US10222272B2Semiconductor device and electronic apparatusKUMAHARA CHIAKI·Filed 2012·Granted Mar 5, 2019·1 cites·10 claims
- 1043US2006214009A1Nonvolatile storage apparatusRENESAS TECH CORP·Filed 2006·Application pending·0 cites
- 1139US2008133860A1Memory card and initialization setting method thereofRENESAS TECH CORP·Filed 2007·Application pending·0 cites
- 1235US2007035998A1Nonvolatile memory apparatusHITACHI ULSI SYS CO LTD·Filed 2006·Application pending·0 cites
- 1331US2004042269A1Nonvolatile memory apparatusHITACHI LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →