Inventor · disambiguated record
Chikao Yokokawa
Also filed as: YOKOKAWA CHIKAO
2 granted patents·38 citations·filing 1992–1999
61Inventor score
Top patents by PatentIndex Score
2 records- 0171US6139612AAsphalt paving mix formed of recycled asphalt concrete for paving at ambient temperatures and a process for making the sameHIKARIGIKEN CO LTD·Filed 1999·Granted Oct 31, 2000·33 cites·20 claims
- 0227US5290324ACoal-water mixture using upgraded low-rank coal and process for producing said mixtureMITSUI MINING CO LTD·Filed 1992·Granted Mar 1, 1994·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →