Inventor · disambiguated record
Toshiyuki Ookuma
Also filed as: OOKUMA TOSHIYUKI
4 granted patents·215 citations·filing 1989–1995
79Inventor score
Top patents by PatentIndex Score
4 records- 0197US4984204AHigh speed sensor system using a level shift circuitHITACHI LTD·Filed 1989·Granted Jan 8, 1991·178 cites·89 claims
- 0258US5053652AHigh speed sensor system using a level shift circuitHITACHI LTD·Filed 1991·Granted Oct 1, 1991·19 cites·50 claims
- 0348US5641578AWeldable black steel sheetNIPPON KOKAN KK·Filed 1995·Granted Jun 24, 1997·13 cites·57 claims
- 0439US5609968AWeldable colored steel sheetNIPPON KOKAN KK·Filed 1994·Granted Mar 11, 1997·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →