Hirokazu Yajima

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Coated narrow-band filter with absorbent material
- Patent number 10,317,591
- Issue date Jun 11, 2019
- HANGZHOU MEIDIKAI OPTO ELECTRONICS CO., LTD.
- Wenzhi Ge
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
COATED NARROW-BAND FILTER WITH ABSORBENT MATERIAL
- Publication number 20190041560
- Publication date Feb 7, 2019
- HANGZHOU MEIDIKAI OPTO ELECTRONICS CO.,LTD
- Wenzhi Ge
- G02 - OPTICS
Information Patent Application
Crystal coating optical low pass filter and manufacturing method th...
- Publication number 20170371080
- Publication date Dec 28, 2017
- ZHEJIANG MDK MODERN OPTICAL CO.,LTD
- Wenzhi Ge
- G02 - OPTICS