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YAMAMURA AKIRA

Overview
  • Total Patents
    23
About

YAMAMURA AKIRA has a total of 23 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and semiconductors are PARKER LOUIS W, TWIX EQUIPMENT AG and DAVID PAUL.

Patent filings in countries

World map showing YAMAMURA AKIRAs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 United States 2

Patent filings per year

Chart showing YAMAMURA AKIRAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamura Akira 23
#2 Oonishi Kouhei 1
#3 Tanaka Masahiko 1
#4 Baldwin John 1
#5 Sawada Kenji 1
#6 Abe Shigeru 1
#7 Akahori Yuichi 1

Latest patents

Publication Filing date Title
JP2000358391A Method for controlling torque of synchronous motor
JP2001020807A Triple p ring
JPH01160342A Dc linear motor
JPS6426392A Secondary current feedback control system of induction motor
JPS61218348A Controlling synchronous motor with short-circuiting secondary winding
JPS59220089A Control system of induction motor
JPS59220090A Control system induction motor
JPS5755707A Sucking force type magnetic floating propelling device
JPS5662063A Sucking-force type magnetic floating propelling device
JPS5625550A Connecting projection attached mold and western type eave tile
JPS5625553A Method of preventing turninggup of eave tile by wind
JPS5625551A Connecting projection attached mold and western type wing tile
JPS5625552A Connecting projection attached mold and western type angle tile
JPS55102767A Control system of electromagnet for magnetic levitation vehicle
JPS5369314A Closeddloop control system for magnetic apparatus for vehicle to be driven on track
JPS5284410A Bothhside linear induction motor
JPS5237313A Closed loop control system for supporting device by electromagnet
JPS51121356A Anti-vibration bench device
JPS51116516A Regulating circuit for regulating the output signals of a gap length s ensor of magnetic floating apparatus
JPS5120312A Sokobutsutaino kyuindenjishakugataannaihoshiki