Inventor · disambiguated record
Kazuhisa Ohtsubo
Also filed as: OHTSUBO KAZUHISA
4 granted patents·20 citations·filing 1997–2003
72Inventor score
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0173US7038228B2Image forming apparatus with specific document determining module and abnormality detection meansRICOH KK·Filed 2003·Granted May 2, 2006·9 cites·4 claims
- 0258US6949757B2Specific document determining apparatus including a microwave sensorRICOH KK·Filed 2003·Granted Sep 27, 2005·3 cites·19 claims
- 0340US6025603ASpecific document determining apparatus, image reading apparatus, specific document determining method, and a computer-readable recording medium with a program for execution of the method stored therein image reading apparatus having a specific documentRICOH KK·Filed 1997·Granted Feb 15, 2000·8 cites·50 claims
- 0429US6696696B1Image forming apparatus with specific document module having a microwave sensorRICOH KK·Filed 1999·Granted Feb 24, 2004·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →