Assignee
TAKAYAMA HIDEMI
JP·2 granted patents·2 citations·filing 2011–2011
Technology mixG02B2
Top patents by PatentIndex Score
2 records- 0164US9400396B2Diffractive optical element and image pickup optical systemTAKAYAMA HIDEMI·Filed 2011·Granted Jul 26, 2016·2 cites·13 claims
- 0240US9335557B2Diffractive optical element having high diffraction efficiency at plural wavelengths and image-pickup optical system using the sameTAKAYAMA HIDEMI·Filed 2011·Granted May 10, 2016·0 cites·6 claims
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