Inventor · disambiguated record
Toyokazu Handa
Also filed as: HANDA TOYOKAZU
3 granted patents·75 citations·filing 1997–2001
72Inventor score
Files withIDEMITSU KOSAN CO3
Top patents by PatentIndex Score
3 records- 0189US6261474B1Lubricating oil for compression-type refrigerators containing pentafluoroethane and a polyvinyl etherIDEMITSU KOSAN CO·Filed 1997·Granted Jul 17, 2001·55 cites·12 claims
- 0263US6248256B1Lubricating oil composition for refrigerators and method for lubrication with the compositionIDEMITSU KOSAN CO·Filed 1997·Granted Jun 19, 2001·17 cites·3 claims
- 0359US6495062B2Lubricating oil composition for refrigerators and method for lubrication with the compositionIDEMITSU KOSAN CO·Filed 2001·Granted Dec 17, 2002·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →