Learn more

NIPPON JIYUNYAKU KK

Overview
  • Total Patents
    12
About

NIPPON JIYUNYAKU KK has a total of 12 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan. Its main competitors in its focus markets optics are NAGAYAMA MASASHI, GCC MAN LTD and HONGGUANG PREC IND CO LTD.

Patent filings in countries

World map showing NIPPON JIYUNYAKU KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing NIPPON JIYUNYAKU KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Electrography

Top inventors

# Name Total Patents
#1 Yamazaki Akio 5
#2 Oyama Takafumi 4
#3 Nakanishi Jirou 2
#4 Fujima Hiroshi 2
#5 Tateyama Eiji 2
#6 Ogura Takuo 2
#7 Negishi Tsuneji 1
#8 Tanaka Takashi 1
#9 Yanagawa Noriyuki 1
#10 Fukushima Teiji 1

Latest patents

Publication Filing date Title
JPS55122714A Preparation of cataplasma
JPS5548212A Preparation of novel water-soluble crosslinked copolymer
JPS54133352A Heat sensing recording body
JPS54133135A Electrostatic recording body
JPS54133136A Transfer paper for electrostatic photography
JPS5495722A Happu agent composition
JPS5434390A Preparation of selffcrosslinking emulsion polymer
JPS53118514A Pappu agent composition
JPS5339387A Method of making aquaous emulsion polymer
JPS536421A Pap agent composition
JPS532393A Method of preventing water scale in cooling system
JPS52127993A Preparation of water soluble polycarbonic acid salt