Inventor · disambiguated record
Toshio Ishiyama
Also filed as: ISHIYAMA TOSHIO
4 granted patents·94 citations·filing 1979–1999
78Inventor score
Top patents by PatentIndex Score
4 records- 0169US5640403AFault diagnosis method for a sequential circuitNEC CORP·Filed 1995·Granted Jun 17, 1997·46 cites·6 claims
- 0263US6397362B1Fault diagnosis method and system for a sequential circuitNEC CORP·Filed 1999·Granted May 28, 2002·28 cites·36 claims
- 0355US4233461AProcess for preparing colorless methionineSUMITOMO CHEMICAL CO·Filed 1979·Granted Nov 11, 1980·4 cites·10 claims
- 0447US5968195AEstimation of failure section region with small simulation calculation quantityNEC CORP·Filed 1997·Granted Oct 19, 1999·16 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →