Inventor · disambiguated record
Keiji Chikuma
Also filed as: CHIKUMA KEIJI
7 granted patents·195 citations·filing 1997–2013
88Inventor score
Top patents by PatentIndex Score
7 records- 0193USD401973SInformation guide display deviceTOSHIBA KK·Filed 1997·Granted Dec 1, 1998·47 cites·1 claims
- 0292USD392635SPortable radio telephoneTOSHIBA KK·Filed 1997·Granted Mar 24, 1998·52 cites·1 claims
- 0381USD407755SInformation guide display deviceTOSHIBA KK·Filed 1997·Granted Apr 6, 1999·24 cites·1 claims
- 0478USD402652SPortable radio telephoneTOSHIBA KK·Filed 1997·Granted Dec 15, 1998·23 cites·1 claims
- 0570USD706769SElectronic computerTOSHIBA KK·Filed 2013·Granted Jun 10, 2014·16 cites·1 claims
- 0668USD649964SPortion of an electronic computerCHIKUMA KEIJI·Filed 2011·Granted Dec 6, 2011·19 cites·1 claims
- 0767USD706767SElectronic computerTOSHIBA KK·Filed 2013·Granted Jun 10, 2014·14 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →