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CHUKA EIKAN KOFUN YUGENKOSHI

Overview
  • Total Patents
    34
About

CHUKA EIKAN KOFUN YUGENKOSHI has a total of 34 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology, optics and semiconductors are XIANYANG CAIHONG OPTOELECTRONICS TECH CO LTD, KAMADA TSUYOSHI and SHIMOSHIKIRYOH FUMIKAZU.

Patent filings in countries

World map showing CHUKA EIKAN KOFUN YUGENKOSHIs patent filings in countries
# Country Total Patents
#1 Japan 34

Patent filings per year

Chart showing CHUKA EIKAN KOFUN YUGENKOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chin Koro 10
#2 Ko Kyokuhin 9
#3 Do Kaso 6
#4 Rin Seiki 6
#5 Ko Shunmin 6
#6 Ko Seyu 3
#7 Lee Chuen-Ru 3
#8 Yo Gisei 3
#9 Yu Yuchu 3
#10 Lai Yao-Hung 3

Latest patents

Publication Filing date Title
JP2004233836A Structure of liquid crystal display and its manufacturing method
JP2003215631A Flat display panel and its terminal structure
JP2003198959A Structure for reducing digital image data transmission volume of digital display device
JP2002231152A Electron beam forming device for cathode-ray tube
JP2002170479A Cathode of electron tube
JP2001291473A Rear face substrate of ac discharge type plasma display panel
JP2001266756A Front substrate of ac discharge type plasma flat display, and its manufacturing method
JPH1069865A Video display device
JPH1078502A Black matrix for cathode ray tube, its forming method and formed material
JPH1050213A Black matrixing of cathode-ray tube, its formation, and formed matter
JPH1064424A Coating device for display screen of cathode ray tube
JPH1064454A Coating for display device
JPH1064453A Coating for display device