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SHOWA MINING CO LTD

Overview
  • Total Patents
    11
About

SHOWA MINING CO LTD has a total of 11 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy and environmental technology are SUNAMIYA KK, VELTRUSKY VLADIMIR and NAJA AKADEMIJA L.

Patent filings in countries

World map showing SHOWA MINING CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing SHOWA MINING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mito Hirohiko 9
#2 Yokoyama Shigeki 5
#3 Tashiro Isao 4
#4 Kosaka Yukio 4
#5 Kayahara Nobuaki 4
#6 Tsunoda Mitsuhiro 3
#7 Kawai Isao 2
#8 Imamura Suketsugu 2
#9 Kawasaki Yoichi 2
#10 Tomura Tsugio 2

Latest patents

Publication Filing date Title
JP2005187273A Sintered body
JP2005143719A Inorganic porous deodorizing filter and manufacturing method therefor
JP2005134128A Method for determining asbestos mixed as impurity in inorganic powder and other having natural mineral as raw material
JP2004022874A Printed wiring board having via hole closed, and its manufacturing method
JP2003246707A Agent and method for preventing noxious insect such as termite or cockroach
JP2002317600A Natural ground displacement restricting work using ventilating and moisture permeable housing body
JP2002145711A Under-the-floor pest-controlling material and method for producing the same and working method for controlling under-the-floor pest
JP2001019523A Grout material composition, its cured product and its construction method
JP2001019528A Grout material composition, hardened product and application thereof
JP2000140628A Adsorbent excellent in adsorptivity and its production
JP2000026218A Controlling agent for underfloor harmful insect and controlling method