Inventor · disambiguated record
Yasutaka Katayama
Also filed as: KATAYAMA YASUTAKA
9 granted patents·179 citations·filing 1993–2008
88Inventor score
Files withTOPCON CORP9
Top patents by PatentIndex Score
9 records- 0184US6023326ASurveying systemTOPCON CORP·Filed 1997·Granted Feb 8, 2000·115 cites·5 claims
- 0270US7339154B2Level detectorTOPCON CORP·Filed 2006·Granted Mar 4, 2008·7 cites·6 claims
- 0369US7814670B2Laser level detection systemTOPCON CORP·Filed 2006·Granted Oct 19, 2010·6 cites·7 claims
- 0466US8044335B2Level sensor implemented with a plurality of light receiving elementsTOPCON CORP·Filed 2006·Granted Oct 25, 2011·5 cites·9 claims
- 0566US7589829B2Laser measuring systemTOPCON CORP·Filed 2008·Granted Sep 15, 2009·7 cites·13 claims
- 0666US7483153B2Power-saving control method in laser measuring system and laser measuring systemTOPCON CORP·Filed 2008·Granted Jan 27, 2009·5 cites·10 claims
- 0756US7982171B2Detection sensor to detect receiving position of laser light and level device employing the detection sensor to detect receiving position of laser lightTOPCON CORP·Filed 2008·Granted Jul 19, 2011·2 cites·6 claims
- 0855US6442862B1Displacement measuring apparatusTOPCON CORP·Filed 2000·Granted Sep 3, 2002·7 cites·12 claims
- 0953US5532813AOptical distance meter and light source device used for the sameTOPCON CORP·Filed 1993·Granted Jul 2, 1996·25 cites·8 claims
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