Inventor · disambiguated record
Seiji Shimokawa
Also filed as: SHIMOKAWA SEIJI
9 granted patents·1 pending application·199 citations·filing 1997–2012
89Inventor score
Top patents by PatentIndex Score
10 records- 0193US6621065B1Imaging probeMITUTOYO CORP·Filed 2000·Granted Sep 16, 2003·90 cites·16 claims
- 0278US6857762B2Ring illuminatorMITUTOYO CORP·Filed 2003·Granted Feb 22, 2005·47 cites·20 claims
- 0373US7016053B2Image processing type of measuring device, lighting system for the same, lighting system control method, lighting system control program, and a recording medium with the lighting system control program recorded thereinMITUTOYO CORP·Filed 2003·Granted Mar 21, 2006·18 cites·4 claims
- 0472US8033673B2Illumination device and vision measuring instrumentMITUTOYO CORP·Filed 2008·Granted Oct 11, 2011·6 cites·7 claims
- 0563US7528968B2Optical measuring machineMITUTOYO CORP·Filed 2008·Granted May 5, 2009·3 cites·8 claims
- 0662US6407800B1Focus detection unit and optical measuring instrument having the sameMITUTOYO CORP·Filed 2000·Granted Jun 18, 2002·8 cites·16 claims
- 0759US6461030B1Illuminator for optical measuring instrumentMITUTOYO CORP·Filed 2000·Granted Oct 8, 2002·8 cites·4 claims
- 0854US6075558AAuto-focus deviceMITUTOYO CORP·Filed 1997·Granted Jun 13, 2000·19 cites·10 claims
- 0943US8772688B2Autofocus device including line image forming unit and rotation unit that rotates line imageOKABE KENJI·Filed 2012·Granted Jul 8, 2014·0 cites·10 claims
- 1043US2009237650A1Optical unit and measuring instrumentMITUTOYO CORP·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →