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HOYA GLASS DISK THAILAND LTD

Overview
  • Total Patents
    21
About

HOYA GLASS DISK THAILAND LTD has a total of 21 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets audio-visual technology, machine tools and materials and metallurgy are KYOEI DENKO KK, WOLTERS PETER WERKZEUGMASCH and SYSTEMSEIKO CO LTD.

Patent filings in countries

World map showing HOYA GLASS DISK THAILAND LTDs patent filings in countries
# Country Total Patents
#1 Japan 14
#2 WIPO (World Intellectual Property Organization) 5
#3 China 2

Patent filings per year

Chart showing HOYA GLASS DISK THAILAND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Phandorn Kraisorn 3
#2 Inthanon Shiitarapuruku 3
#3 Thitima Ponsaker 2
#4 Yayod Weeraphan 2
#5 Suwat Kaanpakkudeii 2
#6 Hoya Corporation 2
#7 Deeplub Supagan 2
#8 Thitichaya Konchom 2
#9 Apisek Poowan 2
#10 Wongounjai Banchai 2

Latest patents

Publication Filing date Title
CN103858161A Chamfering apparatus and method of manufacturing glass substrate for information recording medium
WO2013015750A1 A method of manufacturing glass substrates for information recording medium
WO2013015751A1 A method of manufacturing glass substrates for information recording medium
WO2013002744A1 Device and method for removing substrates for information recording medium
WO2013002745A1 Method of manufacturing glass substrate for use in information recording medium
JP2010079948A Method of manufacturing glass substrate for magnetic disk
JP2010079947A Method for manufacturing glass substrate for magnetic disk
JP2010073243A Method for manufacturing glass substrate for magnetic disk
JP2009245481A Method of manufacturing glass substrate for magnetic disk, and method of manufacturing magnetic disk
JP2009238294A Method of manufacturing glass substrate for magnetic disk, glass substrate for magnetic disk and magnetic disk
JP2009163801A Manufacturing system of glass substrate for magnetic disk, glass substrate for magnetic disk and magnetic disk
JP2009052886A Noncontact substrate measuring instrument, noncontact substrate measuring method, and manufacturing method for magnetic disk
JP2009008569A Inner diameter measuring device of disk-like substrate, inner diameter measuring method, manufacturing method of disk-like substrate, and magnetic disk manufacturing method
JP2007119336A Method of manufacturing glass substrate for magnetic disk and method of manufacturing magnetic disk
JP2007118172A Polishing device, polishing method, manufacturing method for glass substrate for magnetic disk, and method for magnetic method
JP2007102845A Tool for holding disk
JP2007102844A Cleaning method of glass substrate for magnetic disk, glass substrate for magnetic disk and manufacturing method of magnetic disk
JP2007098485A Glass substrate for magnetic record medium and manufacturing method of magnetic disk
JP2007095200A Disk case and disk guide member