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TOHOKU HIRYO KK

Overview
  • Total Patents
    13
About

TOHOKU HIRYO KK has a total of 13 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 environmental technology and materials and metallurgy are CHANGSHA DESIGN & RES INST OF MINISTRY CHEMICAL IND, INST GEOL GEOFIZIKI SO AN SSSR and KYOWA KAGAKU KOUGIYOU KK.

Patent filings in countries

World map showing TOHOKU HIRYO KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing TOHOKU HIRYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishiyama Tatsuo 4
#2 Iwatani Kazuhiko 3
#3 Ishikawa Shiyunichi 2
#4 Suzuki Yoshio 2
#5 Satou Shiyunichi 1
#6 Takahashi Masayasu 1
#7 Sakuraba Tadaaki 1
#8 Ishikawa Hitoshi 1
#9 Saitou Shinsaku 1
#10 Fukuda Noburoku 1

Latest patents

Publication Filing date Title
JPS5742741A Antistatic agent composition for plastic
JPS5739752A Method of preventing apple fruit flesh from browning
JPS5734873A Composition of aqueous bubble fire-extinguishing substance
JPS5684308A Manufacture of ammonium secondary phosphate
JPS5641287A Anti-fogging composition
JPS5571654A Curing material based on 2 type anhydrous gypsum
JPS5555156A Preparation of fluorinated alcohol
JPS5527862A Chemical fertilizer
JPS555926A Ph controller for bed soil used in growing young rice plant
JPS5441297A Method of purifying waste sulfuric acid containing titanium
JPS5321960A Electroconductive detector for water flow
JPS532396A Manufacturing process for gypsum anhydride from gypsum dihydride
JPS52107965A Deodorized chicken manure for producing fertilizer