Inventor · disambiguated record
Ryuichi Chikamatsu
Also filed as: CHIKAMATSU RYUICHI
4 granted patents·3 citations·filing 2002–2007
62Inventor score
Files withOHBAYASHI CORP4
Top patents by PatentIndex Score
4 records- 0152US7207212B2Device and method for weighing concrete materialOHBAYASHI CORP·Filed 2002·Granted Apr 24, 2007·1 cites·14 claims
- 0249US7735356B2Measuring apparatus and measuring method for concrete-forming materialsOHBAYASHI CORP·Filed 2007·Granted Jun 15, 2010·0 cites·5 claims
- 0343US7578207B2Measuring apparatus and measuring method for concrete-forming materialsOHBAYASHI CORP·Filed 2007·Granted Aug 25, 2009·0 cites·60 claims
- 0441US7000458B2Weighing equipment for concrete materialOHBAYASHI CORP·Filed 2002·Granted Feb 21, 2006·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →