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DOWA THERMOTECH CO LTD

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    34,912
  • Filing trend
    ⇩ 53.0%
About

DOWA THERMOTECH CO LTD has a total of 58 patent applications. It decreased the IP activity by 53.0%. Its first patent ever was published in 2001. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and thermal processes are DOWA THERMOTECH KK, PARKER NETSUSHORI KOGYO KK and LIUZHOU HENGYANG MACHINERY CO LTD.

Patent filings in countries

World map showing DOWA THERMOTECH CO LTDs patent filings in countries
# Country Total Patents
#1 United States 17
#2 WIPO (World Intellectual Property Organization) 15
#3 China 10
#4 EPO (European Patent Office) 10
#5 Mexico 6

Patent filings per year

Chart showing DOWA THERMOTECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsuoka Hiroyuki 18
#2 Sakakibara Wataru 16
#3 Shimizu Yuichiro 13
#4 Nogami Soichiro 11
#5 Maeda Susumu 10
#6 Kobayashi Atsushi 10
#7 Akimoto Kiyotaka 9
#8 Watanabe Motohiro 9
#9 Habuka Satoru 9
#10 Kanayama Masao 7

Latest patents

Publication Filing date Title
WO2021065865A1 Vanadium silicarbide film, vanadium silicarbide film-coated member, and method for producing vanadium silicarbide film-coated member
US2019390331A1 Vanadium silicon nitride film, member coated with vanadium silicon nitride film and method for manufacturing the same
US2016265099A1 Forming method of intermediate layer formed between base material and DLC film, DLC film forming method, and intermediate layer formed between base material and DLC film
WO2015046593A1 Method for nitriding steel member
US2015275346A1 Heat treatment apparatus
WO2012115135A1 Nitrided steel member and method for producing same
US7276204B2 Carburization treatment method and carburization treatment apparatus
EP1176224A1 Nitrided maraging steel and method of manufacturing thereof