Inventor · disambiguated record
Hiromasa Katoh
Also filed as: KATOH HIROMASA
5 granted patents·43 citations·filing 1987–1993
79Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0160US4999520AHigh speed TTL buffer circuit which is resistive to the influence of alpha-raysHITACHI LTD·Filed 1989·Granted Mar 12, 1991·13 cites·37 claims
- 0254US5055710AIntegrated logic circuit having plural input cells and flip-flop and output cells arranged in a cell blockHITACHI LTD·Filed 1990·Granted Oct 8, 1991·15 cites·4 claims
- 0348US5298802ASemiconductor integrated circuit device with a plurality of logic circuits having active pull-down functionsHITACHI LTD·Filed 1993·Granted Mar 29, 1994·8 cites·19 claims
- 0436US5283480ASemiconductor integrated circuit device with a plurality of logic circuits having active pull-down functionsHITACHI LTD·Filed 1990·Granted Feb 1, 1994·4 cites·17 claims
- 0532US5059819AIntegrated logic circuitHITACHI LTD·Filed 1987·Granted Oct 22, 1991·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →