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TANAKA MASAMICHI

Overview
  • Total Patents
    12
About

TANAKA MASAMICHI has a total of 12 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology and chemical engineering are UMICORE SHOKUBAI JAPAN CO LTD, ICT CO LTD and HEESUNG ENGELHARD CORP.

Patent filings in countries

World map showing TANAKA MASAMICHIs patent filings in countries
# Country Total Patents
#1 Japan 7
#2 United States 5

Patent filings per year

Chart showing TANAKA MASAMICHIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Environmental technology
#2 Chemical engineering

Top inventors

# Name Total Patents
#1 Tanaka Masamichi 12
#2 Kishimoto Atsushi 4
#3 Ishizaki Keita 4
#4 Neya Tadashi 4
#5 Hanamura Katsunori 1
#6 Hirokado Takao 1
#7 Hidaka Nobuhiro 1
#8 Nanjiyou Katsumi 1

Latest patents

Publication Filing date Title
US2012269693A1 Exhaust emission control device for internal combustion engine
JP2000144354A Partial hardening of copper material
JPH11269662A Addition method for additive material in partial reforming treatment of metal
JPH11153123A Partially refined screw washer
JPH07316759A Treatment for partially modifying copper material
JPH079085A Manufacture of partially reformed aluminum-made core for casting
JPH06145924A Manufacture of aluminum-made pulley
JPH06122950A Method for strengthening bolt seat in aluminum product