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SONY DISC TECHNOLOGY KK

Overview
  • Total Patents
    41
About

SONY DISC TECHNOLOGY KK has a total of 41 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets machines, electrical machinery and energy and audio-visual technology are GUANGDONG YATAI TECH CO LTD, KMI HOLDING GMBH and JY SOLUTEC CO LTD.

Patent filings in countries

World map showing SONY DISC TECHNOLOGY KKs patent filings in countries
# Country Total Patents
#1 Japan 41

Patent filings per year

Chart showing SONY DISC TECHNOLOGY KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujita Shinichi 6
#2 Yanagisawa Yoshinaga 5
#3 Fukuchi Yoshiji 5
#4 Kishi Shinsuke 4
#5 Iwasaki Masaaki 4
#6 Miura Kazuhiro 3
#7 Yoshimura Hideaki 3
#8 Yoshimura Yoshinori 3
#9 Usui Yoshinobu 3
#10 Furuyama Kazuo 3

Latest patents

Publication Filing date Title
JP2002197651A Optical disk, and device and method for preparing optical disk original
JP2002197810A Optical disk, optical disk master-disk preparation device, optical disk reproducing device, method for generating optical disk master-disk and optical disk reproducing method
JP2002080801A Process and device for attaching round flat plate and process and device for preparing optical disc
JP2000298885A Manufacture for information-recording medium and apparatus therefor
JP2000296535A Method and apparatus for injection molding
JP2000298887A Manufacture of discoidal information recording medium
JP2000285529A Manufacture of both-surface stuck disk and sticking device for both-side stuck disk
JP2000276774A Information recording medium and its manufacture
JP2000276785A Apparatus for production of optical recording medium
JP2000268410A Disk substrate and metal mold for molding the same and molding device therefor
JP2000263591A Injection molding machine
JP2000242928A Method and device for inspecting optical disk
JP2000234999A Device for inspecting and measuring optical disk
JP2000242979A Inspection and measurement device for optical disk and inspecting and measuring method for optical disk
JP2000231743A Optical disk and optical disk device
JP2000228034A Optical disk and optical disk reproduction method
JP2000228038A Production of laminated optical disk
JP2000222779A Optical disk and its manufacture
JP2000222778A Optical disk and its production
JP2000195100A Optical disk