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YAMADA EIJI

Overview
  • Total Patents
    21
About

YAMADA EIJI has a total of 21 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Japan and Switzerland. Its main competitors in its focus markets electrical machinery and energy, environmental technology and transport are SHENZHEN ANTUOSHAN SPECIAL MACHINERY CO LTD, COUR JENS LASSEN LA and MEZ BRNO.

Patent filings in countries

World map showing YAMADA EIJIs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Japan 4
#3 Switzerland 1

Patent filings per year

Chart showing YAMADA EIJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamada Eiji 20
#2 Mizutani Ryoji 9
#3 Nakai Hideo 8
#4 Hiramoto Kenji 8
#5 Minoshima Norimoto 6
#6 Chinen Shintaro 4
#7 Araki Masahiro 2
#8 Kamikawa Takeshi 1
#9 Akutsu Nakao 1
#10 Matsui Nobuyuki 1

Latest patents

Publication Filing date Title
US2014300223A1 Rotor for rotating electrical machine, and rotating electrical machine provided with said rotor
JP2008043412A Two-course baton passing race game
JP2006089913A Seat-integrated type tatami mat
JPH1162122A Waterproof construction body and execution method thereof
JPS5768681A Controller for forced commutation type four quadrant operation direct current separately excited motor capable of regenerating power
CH507310A Prepn for the stimulation of the function of the