Inventor · disambiguated record
Sumio Takeuchi
Also filed as: TAKEUCHI SUMIO
2 granted patents·1 pending application·80 citations·filing 1981–2006
66Inventor score
Top patents by PatentIndex Score
3 records- 0192US4345241AAnalog-to-digital conversion method and apparatusSONY TEKTRONIX CORP·Filed 1981·Granted Aug 17, 1982·64 cites·12 claims
- 0285US7287864B2Light amount adjusting device and projector using the sameNISCA CORP·Filed 2005·Granted Oct 30, 2007·16 cites·16 claims
- 0346US2006290901A1Light shielding heat-resistant sheet material, and light amount regulating apparatus and projector apparatus utilizing the sameNISCA CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →