Inventor · disambiguated record
Katsuhiko Hirao
Also filed as: HIRAO KATSUHIKO
4 granted patents·25 citations·filing 1996–2008
71Inventor score
Top patents by PatentIndex Score
4 records- 0184US8262771B2Flammable gas concentration device and flammable gas concentration methodSEKI KENJI·Filed 2007·Granted Sep 11, 2012·18 cites·17 claims
- 0261US8328913B2Flammable gas concentration systemSHITO ETSUO·Filed 2007·Granted Dec 11, 2012·3 cites·11 claims
- 0347US8899968B2Combustible gas processing system and combustible gas processing methodSEKI KENJI·Filed 2008·Granted Dec 2, 2014·0 cites·5 claims
- 0429US5893310AMethod and apparatus for cutting a rubber sheet material used to form power transmission beltsMITSUBOSHI BELTING LTD·Filed 1996·Granted Apr 13, 1999·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →