Inventor · disambiguated record

Kazuhiro Hirai

Also filed as: HIRAI KAZUHIRO

2 granted patents·39 citations·filing 1995–1999

63Inventor score

Technology areasC01B G06F

Files withHITACHI LTD1 OSAKA GAS CO LTD1

Top patents by PatentIndex Score

2 records

0145US7014822B1Fluid treating deviceOSAKA GAS CO LTD·Filed 1999·Granted Mar 21, 2006·14 cites·12 claims
0241US5850349AMethod and apparatus for displaying the placement of circuit blocks and the routing nets between circuit blocksHITACHI LTD·Filed 1995·Granted Dec 15, 1998·25 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →