Learn more

RYOKO SEKKAI KOGYO KK

Overview
  • Total Patents
    21
About

RYOKO SEKKAI KOGYO KK has a total of 21 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy and environmental technology are DALMIA INST SCIENT IND RES, ZIKMUND MIROSLAV and BAOTOU RARE EARTH INST.

Patent filings in countries

World map showing RYOKO SEKKAI KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 21

Patent filings per year

Chart showing RYOKO SEKKAI KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ikenaga Jiro 8
#2 Miyagawa Hidekazu 8
#3 Tamori Masaru 8
#4 Arai Fukumi 8
#5 Yagi Ken 6
#6 Kokubo Keiji 6
#7 Matsuo Takanori 5
#8 Iwamoto Yujiro 4
#9 Yokota Seiichi 3
#10 Mori Takehiko 3

Latest patents

Publication Filing date Title
JPH10249148A Exhaust gas treating agent and production thereof
JPH10251015A Reformed calcium oxide and its production
JPH10251043A Modified calcium oxide composition and its production
JPH10158042A Production of calcium hydroxide
JPH10139501A Slaked lime composition
JPH09313932A Calcium hydroxide composition
JPH09278435A Production of calcium hydroxide
JPH09278499A Production of calcium hydroxide
JPH09110423A Calcium hydroxide composition
JPH09108541A Method for treating exhaust gas of incinerator
JPH09110424A Calcium hydroxide composition
JPH08109016A Low adhesion slaked lime and improvement for obtaining the same
JPH0873216A Low adhesive slaked lime and reforming method to it
JPH0873217A Low adhesive slaked lime and method for reforming thereto
JPH06157030A Production of colloidal calcium carbonate
JPH05208814A Production of colloidal calcium carbonate
JPH05193997A Production of calcium hydroxide
JPH0332719A Humidity regulating agent and production thereof
JPH02275823A Anti-fungus composition and tinea-preventive means
JPS6475025A Humidity conditioning material