The following companies are subsidiares of HOYA: DAEJEON DAEMYUNG OPTICAL (HANGZHOU) CO. LTD., HOEV CO. LTD., HOYA CORPORATION USA, HOYA ELECTRONICS KOREA CO. LTD., HOYA ELECTRONICS MALAYSIA SDN.BHD., HOYA ELECTRONICS SINGAPORE PTE. LTD., HOYA FINANCE B.V., HOYA GLASS DISK PHILIPPINES INC., HOYA GLASS DISK VIETNAM LTD., HOYA GLASS DISK VIETNAM Ⅱ LTD., HOYA HOLDINGS (ASIA) B.V., HOYA HOLDINGS ASIA PACIFIC PTE LTD, HOYA HOLDINGS INC., HOYA HOLDINGS N.V., HOYA LAMPHUN LTD., HOYA LENS AUSTRALIA PTY.LTD., HOYA LENS CANADA INC., HOYA LENS DEUTSCHLAND GMBH, HOYA LENS FRANCE S.A.S., HOYA LENS GUANGZHOU LTD., HOYA LENS IBERIA S.A., HOYA LENS INDIA PRIVATE LIMITED, HOYA LENS ITALIA S.P.A., HOYA LENS MANUFACTURING MALAYSIA SDN.BHD., HOYA LENS THAILAND LTD., HOYA LENS U.K. LTD., HOYA LENS VIETNAM LTD., HOYA MICROELECTRONICS TAIWAN CO. LTD., HOYA OPTICAL (ASIA) CO. LTD., HOYA OPTICAL LABS OF AMERICA INC., HOYA OPTICAL TECHNOLOGY (SUZHOU) LTD., HOYA OPTICAL TECHNOLOGY (WEIHAI) CO. LTD., HOYA OPTICS (THAILAND) LTD., HOYA OPTO-ELECTRONICS QINGDAO LTD., HOYA SURGICAL OPTICS INC., HOYA TURKEY OPTIK LENS SANAYI VE TICARET A.S., MICROLINE SURGICAL INC., PENTAX CANADA INC., PENTAX CEBU PHILIPPINES CORPORATION, PENTAX EUROPE GMBH, PENTAX ITALIA S.R.L, PENTAX MEDICAL (PENANG) SDN. BHD., PENTAX U.K. LTD., PERFORMANCE OPTICS KOREA LTD., and PT.VISION-EASE ASIA.
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