Inventor · disambiguated record
Takafumi Hanaoka
Also filed as: HANAOKA TAKAFUMI
5 granted patents·1 pending application·1 citations·filing 2015–2019
61Inventor score
Files withNITTOH INC6
Top patents by PatentIndex Score
6 records- 0162US10884317B2Optical diaphragm device, lens barrel and imaging device or projection deviceNITTOH INC·Filed 2017·Granted Jan 5, 2021·1 cites·8 claims
- 0251US10754120B2Projection lens barrel and projection display deviceNITTOH INC·Filed 2019·Granted Aug 25, 2020·0 cites·15 claims
- 0344US10222576B2Projection lens barrel and projection display deviceNITTOH INC·Filed 2015·Granted Mar 5, 2019·0 cites·20 claims
- 0440US12019356B2Lens barrel and interchangeable lens cameraNITTOH INC·Filed 2019·Granted Jun 25, 2024·0 cites·8 claims
- 0536US11500134B2Optical diaphragm device, lens barrel and imaging device or projection deviceNITTOH INC·Filed 2018·Granted Nov 15, 2022·0 cites·9 claims
- 0636US2020264404A1Lens unitNITTOH INC·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →