Learn more

KATSUKAWA HEITAROU

Overview
  • Total Patents
    21
About

KATSUKAWA HEITAROU has a total of 21 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 materials and metallurgy, surface technology and coating and environmental technology are CHEREPOVETSKOE AKTSIONERNOE OB, KATO ETSUROU and UK VNII ABRAZIVOV SHLIFOVANIYA.

Patent filings in countries

World map showing KATSUKAWA HEITAROUs patent filings in countries
# Country Total Patents
#1 Japan 21

Patent filings per year

Chart showing KATSUKAWA HEITAROUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sakotani Akio 18
#2 Gomi Tooru 9
#3 Ishii Tadao 2
#4 Sakota Akio 1
#5 Hakutani Akio 1
#6 Oitani Akio 1

Latest patents

Publication Filing date Title
JPS5867133A Breeding and feeding aid for marine products
JPS5867140A Preservative for fish and shellfish
JPS5867602A Preservative for cut flower
JPS56161897A Removal of cod component from cod-containing waste water
JPS5687693A Water washing method for electrolytically treated material adhered with charged fine powder of electroconductive material
JPS5625996A Electrolytic method
JPS55155786A Decoloring treating method of dyeing waste water
JPS5597224A Moisture drying agent
JPS5556835A Preparation of adsorbent and absorbent agent
JPS5550467A Treating method for exhaust liquid containing chromium
JPS553854A Treating method of waste water containing dye or other organic substance
JPS54154158A Method of disposing waste water containing heavy metal
JPS5390331A Method for solidification of metallic compounds
JPS5339278A Adsorbents of metal ions
JPS52101700A Process for preparing calcium aluminate
JPS52101681A Gas absorbing and adsorbing agents
JPS5288232A Circulation method of regenerating sulfuric acid electrolyte for treating aluminum or its alloy
JPS5277837A Process for treating waste disposal of rinsing water in surface treatment of aluminum or its alloy
JPS51144337A Method of washing in respective steps for surface treating aluminum or aluminum alloy
JPS51136573A Process for treatment of the waste solution having been subjected to tre atment of aluminium of aluminiumalloy with sulfuric acid or a mixed acid of sulfuric acid and other acids