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ZHEJIANG CRYSTAL OPTECH CO LTD

Overview
  • Total Patents
    81
  • GoodIP Patent Rank
    18,854
  • Filing trend
    ⇧ 166.0%
About

ZHEJIANG CRYSTAL OPTECH CO LTD has a total of 81 patent applications. It increased the IP activity by 166.0%. Its first patent ever was published in 2010. It filed its patents most often in China, United States and Republic of Korea. Its main competitors in its focus markets optics, computer technology and measurement are JIANGXI CRYSTAL OPTECH CO LTD, OPTIMA INC and LITTLE OPTICS INC.

Patent filings in countries

World map showing ZHEJIANG CRYSTAL OPTECH CO LTDs patent filings in countries

Patent filings per year

Chart showing ZHEJIANG CRYSTAL OPTECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Fenglei 44
#2 Dai Shulin 14
#3 Jiang Hao 14
#4 Chen Zhanyao 11
#5 Chen Long 10
#6 Zhang Taipeng 9
#7 Zhang Ruizhi 9
#8 Feng Dongyang 9
#9 Wang Ying 8
#10 Mai Yingqiang 8

Latest patents

Publication Filing date Title
CN112255809A Lens group and near-to-eye display device
CN112250312A Method for generating microstructure and product with microstructure on surface
CN112242009A Display effect fusion method, system, storage medium and main control unit
CN111965528A Detection device
CN112059442A Method for coating film on crystal
CN111948220A Chip detection equipment
CN112084964A Product identification apparatus, method and storage medium
CN111879501A Automatic test equipment for optical imaging device
CN111879792A Chip detection equipment
CN111901531A Focusing method, device and equipment during lens assembly
CN112017232A Method, device and equipment for positioning circular pattern in image
CN112017207A Optical filter counting method and counting device
CN111879260A Parallelism measuring apparatus and method
CN112015118A Method and device for controlling movement of automation equipment, controller and storage medium
CN111812663A Depth measurement module and system
CN111882332A Information verification method and device
CN111882570A Edge positioning method and device, storage medium and electronic equipment
CN111704368A Anti-fog glass with anti-reflection function and preparation method thereof
CN111650214A Detect strutting arrangement and defect detecting equipment
CN111679435A Near-to-eye display optical system