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RAITOKU KAGI KOFUN YUGENKOSHI

Overview
  • Total Patents
    32
About

RAITOKU KAGI KOFUN YUGENKOSHI has a total of 32 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology, optics and semiconductors are PENG CHUBING, QUINTA CORP and OPTICAL RECORDING CORP.

Patent filings in countries

World map showing RAITOKU KAGI KOFUN YUGENKOSHIs patent filings in countries
# Country Total Patents
#1 Japan 32

Patent filings per year

Chart showing RAITOKU KAGI KOFUN YUGENKOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yo Suikei 11
#2 Kim Kokin 9
#3 Tei Konken 9
#4 Kyo Sugi 9
#5 O Meijin 9
#6 Ko Keibyo 9
#7 Kai Shiho 6
#8 Chen Yi-Ming 5
#9 Go Keien 5
#10 Lee Chiu-Hsiang 4

Latest patents

Publication Filing date Title
JP2004056757A Nonvolatile memory device equipped with radio remote control function
JP2003217169A Composite optical disk
JP2004158124A Manufacturing method for cover layer of disc
JP2002251781A Optical recording medium and method of manufacturing for the same
JP2002254808A Optical recording medium and manufacturing method therefor
JP2002251780A Optical recording medium and method of manufacturing for the same
JP2002160789A Optical disc master storage device
JP2002170287A Electromagnetic attraction type optical disk carrier device and its manufacturing method
JP2002170288A Fastening type optical disk carrier device
JP2002154654A Disk magazine
JP2001192579A Asymmetrical trimethine cyanine dye for high capacity optical recording medium
JP2001150811A Optical recording medium containing phthalocyanine having bicycloalkoxide substituent