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HOYA CORP

Overview
  • Total Patents
    17,280
  • GoodIP Patent Rank
    484
  • Filing trend
    0.0%
About

HOYA CORP has a total of 17,280 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets optics, audio-visual technology and machines are HOYA CO LTD, ZEISS STIFTUNG and NIKON CORP.

Patent filings per year

Chart showing HOYA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shishido Hiroaki 340
#2 Nozawa Osamu 330
#3 Hashimoto Masahiro 311
#4 Shoki Tsutomu 241
#5 Nomura Hiroshi 201
#6 Tanabe Masaru 193
#7 Zou Xuelu 192
#8 Ikenishi Mikio 177
#9 Kominato Atsushi 171
#10 Sano Michiaki 167

Latest patents

Publication Filing date Title
WO2021070931A1 Light irradiation device
WO2021075262A1 Endoscope
WO2021066075A1 Substrate positioning assistance jig and substrate manufacturing method
WO2021070697A1 Endoscope
WO2021075235A1 Endoscope system
WO2021070634A1 Endoscope and endoscopic device
WO2021060362A1 Optical glass and optical element
WO2021060253A1 Substrate having multilayer reflective film, reflective mask blank, reflective mask, and method for producing semiconductor device
US2021096456A1 Multilayered-reflective-film-provided substrate, reflective mask blank, reflective mask, method of manufacturing reflective mask, and method of manufacturing semiconductor device
WO2021054360A1 Endoscope processor, program, information processing method, and information processing device
WO2021059979A1 Method for producing imprint mold, imprint mold, mold blank, and method for producing optical element
WO2021065345A1 Endoscope and overtube
KR20210031826A Photomask, method for manufacturing photomask, and method for manufacturing display device
WO2021059889A1 Endoscopic system
US2021063866A1 Reflective film coated substrate, mask blank, reflective mask, and semiconductor device manufacturing method
WO2021059890A1 Mask blank, phase shift mask, and method for producing semiconductor device
WO2021065286A1 Electronic endoscope system
WO2021044917A1 Mask blank, phase shift mask and method for producing semiconductor device
WO2021039690A1 Endoscope
WO2021044890A1 Multilayer reflective film-attached substrate, reflective mask blank, reflective mask, and method for producing semiconductor device