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TOHO DENSHI KOGYO

Overview
  • Total Patents
    15
About

TOHO DENSHI KOGYO has a total of 15 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology, measurement and optics are ITO KIYOTAKA, PHASE METRICS and GUZIK TECHNICAL ENTERPRISES.

Patent filings in countries

World map showing TOHO DENSHI KOGYOs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing TOHO DENSHI KOGYOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Sugiura Isao 12
#2 Kawamoto Yuji 1
#3 Shimotoru Akira 1
#4 Watanabe Kiyoshi 1

Latest patents

Publication Filing date Title
JPS63124211A Method for controlling observation device for magnetic head supporting cylinder
JPS63124210A Method for controlling observation device for magnetic head supporting cylinder
JPS62282859A Magnetic head polishing method and device
JPS62248118A Test method for magnetic head or magnetic tape
JPS6199113A Focusing method of microscope
JPS6180004A Dimension measurement of article
JPS6180220A Observing method of obserbed surface having fine gap
JPS6168722A Measuring method of chip position of magnetic head
JPS6139215A Method for adjusting gap height of magnetic head
JPS6129402A Magnetic tape checking method
JPS6128805A Measuring method of minute width
JPS6117909A Azimuth angle measuring method of gap in magnetic head
JPS619841A Control method of pickup sensor for optical disc
JPS5963025A Magnetic head fitting device
JPS5891521A Developer for vtr tape