Inventor · disambiguated record
Hitonobu Otsu
Also filed as: OTSU HITONOBU
4 granted patents·83 citations·filing 1990–1990
77Inventor score
Files withHOYA CORP4
Top patents by PatentIndex Score
4 records- 0170US5166830AAspherical lens system for a bar code sensorHOYA CORP·Filed 1990·Granted Nov 24, 1992·52 cites·5 claims
- 0250US5087115AAspherical glass lens element suitable for an object lens element of a disk deviceHOYA CORP·Filed 1990·Granted Feb 11, 1992·16 cites·8 claims
- 0336US5020888AAspherical glass lens element suitable for a collimator lensHOYA CORP·Filed 1990·Granted Jun 4, 1991·8 cites·3 claims
- 0434US5004330AAspherical glass lens element formed by a low dispersion glass materialHOYA CORP·Filed 1990·Granted Apr 2, 1991·7 cites·5 claims
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