Inventor · disambiguated record
Masateru Asayama
Also filed as: ASAYAMA MASATERU
6 granted patents·48 citations·filing 1999–2019
77Inventor score
Top patents by PatentIndex Score
6 records- 0186US6554503B2Bayonet mountNIPPON KOGAKU KK·Filed 2001·Granted Apr 29, 2003·33 cites·6 claims
- 0267US10948684B2Interchangeable lensNIKON CORP·Filed 2019·Granted Mar 16, 2021·1 cites·17 claims
- 0356US10739553B2Lens barrel and optical apparatusNIKON CORP·Filed 2018·Granted Aug 11, 2020·0 cites·15 claims
- 0451US9958635B2Lens barrel and optical apparatusNIKON CORP·Filed 2016·Granted May 1, 2018·0 cites·18 claims
- 0547US6094538AAutofocus lens barrelNIKON CORP·Filed 1999·Granted Jul 25, 2000·14 cites·5 claims
- 0643US9268109B2Lens barrel and optical apparatusASAYAMA MASATERU·Filed 2012·Granted Feb 23, 2016·0 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →