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TOKYO OUKA KOUGIYOU KK

Overview
  • Total Patents
    43
About

TOKYO OUKA KOUGIYOU KK has a total of 43 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets optics, electrical machinery and energy and machines are NAKAMURA PROCESS KOGEI, OTSUKA NOBORU and BASF DRUCKSYST GMBH.

Patent filings in countries

World map showing TOKYO OUKA KOUGIYOU KKs patent filings in countries
# Country Total Patents
#1 Japan 43

Patent filings per year

Chart showing TOKYO OUKA KOUGIYOU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakane Hisashi 33
#2 Uehara Akira 8
#3 Aoyama Toshimi 7
#4 Nakayama Muneo 6
#5 Hori Bunichi 5
#6 Miyazawa Shiyouzou 5
#7 Takanashi Hiroshi 4
#8 Katou Bonpei 4
#9 Arima Nobuo 4
#10 Yokota Akira 4

Latest patents

Publication Filing date Title
JPS54151824A Photosensitive composition
JPS54138881A Organic material for electrooptical device
JPS54125024A Photosensitive composition
JPS54123302A Method of making photosensitive plate support for flat plate printing
JPS54121801A Photosensitive material support for flat plate printing
JPS54121802A Photosensitive printing plate
JPS5493363A Improved plasma reactive processor
JPS5484474A Doping film and method of using same
JPS5465480A Method of forming microminiature pattern
JPS5448172A Plasma reaction processor
JPS5424020A Method of removing resist material
JPS5421174A Plasma reaction processor
JPS5421175A Improvement of plasma reaction processor
JPS53123929A Developing liquid for use in radiant ray positive type resist
JPS53101981A Method of producing photomask
JPS53100140A Treatment agent for hardening resist pattern
JPS5370817A Improved photoregist composite
JPS52104521A Silicon coating composition
JPS5361403A Method of producing cylindrical printing plate
JPS5315905A Method of making offset plate material