Learn more

MOTOYAMA ENG WORKS LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    239,835
  • Filing trend
    ⇩ 100.0%
About

MOTOYAMA ENG WORKS LTD has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1991. It filed its patents most often in Japan and United States. Its main competitors in its focus markets mechanical elements, machines and surface technology and coating are MOKVELD MACH BV, GALVA LORRAINE and DE FREES JOSEPH H.

Patent filings in countries

World map showing MOTOYAMA ENG WORKS LTDs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 United States 1

Patent filings per year

Chart showing MOTOYAMA ENG WORKS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Uchisawa Osamu 10
#2 Aoki Takehiko 9
#3 Chiba Yasuhiro 4
#4 Sanai Jiro 4
#5 Yamamoto Kohei 3
#6 Meguro Toshikatsu 2
#7 Hirafune Kazuhiko 2
#8 Kawabata Makoto 2
#9 Shoji Yuji 2
#10 Tanaka Tatsuto 1

Latest patents

Publication Filing date Title
JP2018179244A Safety valve, nozzle and disc used for the same
JP2010121735A Valve
JP2007321062A Pressure regulating valve for coal liquefying process
JP2007321883A Control valve
JP2007303477A Eccentric type rotary valve
JP2006118601A Float type steam trap
JP2006112441A Valve mechanism using bimetal and air vent valve of steam trap device
JP2005133565A Vacuum exhaust device
JP2005083770A Sampling system for fluid
JP2005003170A Float type steam trap
JP2004186337A Block valve, mono-block valve, and method for cleaning valve
JP2004186243A Block valve, mono-block valve, and method for washing valve
JP2004060741A Diaphragm, diaphragm valve, and film forming device
JP2002195492A Float type steam trap
JP2002174400A Integrated unit
JP2002089744A Work execution method of prefabricated piping
JP2002005393A Float type steam trap
JP2001082609A Seal gasket
JP2001027334A Regulating valve
JP2000331827A Electropneumatic signal converter