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TOKYO KOGYO DAIGAKUCHO

Overview
  • Total Patents
    37
About

TOKYO KOGYO DAIGAKUCHO has a total of 37 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, optics and computer technology are G PREDPRIJATIE NI, PANU MISAILESCU DUMITRU and UNIV NAT UNITED.

Patent filings in countries

World map showing TOKYO KOGYO DAIGAKUCHOs patent filings in countries
# Country Total Patents
#1 Japan 37

Patent filings per year

Chart showing TOKYO KOGYO DAIGAKUCHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kobayashi Fujio 12
#2 Yamaguchi Shiyouichirou 12
#3 Suematsu Yasuharu 6
#4 Ikeda Sakuji 4
#5 Kishino Katsumi 3
#6 Soga Kazuo 3
#7 Arai Shigehisa 2
#8 Sakuma Youichi 2
#9 Iga Kenichi 2
#10 Matsumura Keizou 2

Latest patents

Publication Filing date Title
JPS5712579A Buried type semiconductor laser
JPS56159610A Optical wave synthesizer and branching filter for optical communication
JPS56125036A Method and apparatus for regenerating x-ray tomogram image
JPS56125359A Active vitamin d analog and its preparation
JPS56125035A Method and apparatus for regenerating x-ray tomogram image
JPS56123385A Prodution of hydrogen from water using photogalvanic effect of polyacid ion
JPS56125034A Method and apparatus for regenerating x-ray tomogram image
JPS56116683A Distribution reflecting type semiconductor laser having tuning and requency-modulating mechanism
JPS56112233A Method and apparatus for regenerating xxray tomogram image
JPS56109644A Method and device for regenerating xxray tomogram picture
JPS56100043A Regeneration method and apparatus of xxray tomogram image
JPS56100044A Regeneration method and apparatus of xxray tomogram image
JPS5698888A Light emitting semiconductor laser
JPS5675143A Method of regenerating tomographing image and its regenerating device
JPS5672853A Method of regenerating tomographing image and its regenerating device
JPS5672852A Method of regenerating tomographing image and its regenerating device
JPS5672850A Method of regenerating tomographing image and its regenerating device
JPS5647421A Linear poly 2,5-thienylene polymer, its preparation, and semiconductor comprising it
JPS5643542A Method and apparatus for regeneration of tomographic image
JPS55121693A Manufacture of band-like semiconductor laser by selective melt-back process