Inventor · disambiguated record
Hiroaki Naganuma
Also filed as: NAGANUMA HIROAKI
14 granted patents·127 citations·filing 1998–2012
92Inventor score
Top patents by PatentIndex Score
14 records- 0184US6027261AExposure adjusting device for a cameraNISCA CORP·Filed 1998·Granted Feb 22, 2000·22 cites·15 claims
- 0282US7290947B2Light controller and image pickup device including the sameNISCA CORP·Filed 2005·Granted Nov 6, 2007·8 cites·6 claims
- 0381US7513701B2Imaging apparatus and light quantity regulating device used thereinNISCA CORP·Filed 2004·Granted Apr 7, 2009·17 cites·2 claims
- 0480US7316514B2Light controller and image pickup device including the sameNISCA CORP·Filed 2005·Granted Jan 8, 2008·7 cites·9 claims
- 0579US6960848B2Electromagnetic drive device and light quantity adjustment device using the sameNISCA CORP·Filed 2004·Granted Nov 1, 2005·16 cites·13 claims
- 0677US6554502B2Light quantity controllerNISCA CORP·Filed 2001·Granted Apr 29, 2003·17 cites·7 claims
- 0775US7396169B2Light quantity adjusting device and photographing device having the sameNISCA CORP·Filed 2005·Granted Jul 8, 2008·5 cites·9 claims
- 0870US6565270B2Light quantity controller and camera system including the sameNISCA CORP·Filed 2001·Granted May 20, 2003·10 cites·20 claims
- 0967US7446443B2Electromagnetic-driving device and light quantity-control device incorporating the sameNISCA CORP·Filed 2006·Granted Nov 4, 2008·5 cites·9 claims
- 1065US6926454B1Electromagnetic driving unit and light quantity regulating apparatus using the sameNISCA CORP·Filed 2004·Granted Aug 9, 2005·9 cites·15 claims
- 1163US7459813B2Magnet rotor and electromagnetically-driving device using the same, and optical apparatus with light quantity-control deviceNISCA CORP·Filed 2006·Granted Dec 2, 2008·4 cites·8 claims
- 1257US6550986B2Light quantity controllerNISCA CORP·Filed 2001·Granted Apr 22, 2003·3 cites·8 claims
- 1356US6981807B2Electromagnetic drive device and light quantity adjustment device using the sameNISCA CORP·Filed 2004·Granted Jan 3, 2006·4 cites·5 claims
- 1439US8654455B2Light quantity adjustment apparatus, lens unit and optical apparatus provided with the sameNAKAJIMA KATSURA·Filed 2012·Granted Feb 18, 2014·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →