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TOKYO DENSHI KAGAKU KK

Overview
  • Total Patents
    60
About

TOKYO DENSHI KAGAKU KK has a total of 60 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan and United States. Its main competitors in its focus markets semiconductors, electrical machinery and energy and materials and metallurgy are VLSI PACKAGING MATERIALS INC, PANG QIQI and BIECK FLORIAN.

Patent filings in countries

World map showing TOKYO DENSHI KAGAKU KKs patent filings in countries
# Country Total Patents
#1 Japan 53
#2 United States 7

Patent filings per year

Chart showing TOKYO DENSHI KAGAKU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakayama Muneo 46
#2 Nishimura Toshihiro 29
#3 Hashimoto Akira 29
#4 Nakane Hisashi 23
#5 Uehara Akira 17
#6 Hijikata Isamu 12
#7 Minato Mitsuaki 7
#8 Toda Shiyouzou 5
#9 Uehara Takashi 3
#10 Hotsuta Yoshio 3

Latest patents

Publication Filing date Title
US4790262A Thin-film coating apparatus
JPS62202521A Method and apparatus for removing organic film
JPS62197332A Treatment of glass substrate stock
JPS62125627A Removing method for organic film
JPS61267325A Removal of organic film
JPS61263126A Removing method for organic film
JPS61214434A Method for removing organic film
JPS61184532A Photosensitive comosition
US4597882A Process for regenerating waste oils of synthetic lubricants containing fluorine atom
JPS60195199A Regeneration of waste oil of fluorine-containing synthetic lubrication oil
US4577165A High-frequency oscillator with power amplifier and automatic power control
JPS60161697A Method of producing multilayer circuit board
JPS60121795A Method of producing multilayer circuit board
JPS6031229A Selective etching method of metal film
JPS5962675A Preparation of coating liquid for forming silica-based coating film
JPS6020516A Dry etching method of silicon nitride film
JPS6012175A Coating liquid supplying method
JPS6010625A Multistage plasma processor
JPS59230095A Reclamation of fluorine synthetic oil form waste oil
JPS59155181A Forming method of antireflection film for solar cell