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CHANGCHUN YUHENG OPTICS CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    48,986
  • Filing trend
    ⇩ 72.0%
About

CHANGCHUN YUHENG OPTICS CO LTD has a total of 33 patent applications. It decreased the IP activity by 72.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets measurement, machine tools and semiconductors are DR JOHANNES HEIDENHAIN GES MIT BESCHRAENKTER HAFTUNG, COOKE CONRAD REGINALD and MICRO EPSILON MESSTECHNIK.

Patent filings in countries

World map showing CHANGCHUN YUHENG OPTICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing CHANGCHUN YUHENG OPTICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhongjie 15
#2 Yu Haiyang 12
#3 Wang Yang 9
#4 Ma Chunling 9
#5 Pang Zengbao 7
#6 Yang Shang 7
#7 Liu Boyu 6
#8 Wang Haiping 5
#9 Zhou Zhaobo 5
#10 Wu Ping 5

Latest patents

Publication Filing date Title
CN111750910A Modulation disk of split type angle encoder and installation assembly and installation method thereof
CN111750911A Split type angle encoder and installation assembly and installation method thereof
CN111337058A Gear type encoder reading head
CN110542384A Grating ruler
CN110657150A Grating ruler and nut fixing device thereof
CN110542383A Grating ruler
CN110332949A A kind of rotary transformer and the mechanical equipment with the rotary transformer
CN110186378A A kind of grating scale
CN110186377A A kind of grating scale and its ruler shell
CN109959664A Contamination detection method, device and the readable storage medium storing program for executing of absolute grating ruler
CN109483327A A kind of encoder
CN108481028A A kind of support device
CN108515054A One kind sweeping equipment and its sweeps device
CN108772570A The method of cutter, row's knife assembly, processing excircles and endoporus
CN108151673A A kind of photoelectronic imaging scanning means
CN108207073A The attachment device and electronic equipment of signal between a kind of circuit board
CN107941252A A kind of grating angle encoder
CN107990923A A kind of Split encoder
CN108197062A Realize microcontroller and method, system, equipment and the medium of terminal equipment in communication
CN108168438A A kind of closed grating