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ISHIKAWA ZENJI

Overview
  • Total Patents
    26
About

ISHIKAWA ZENJI has a total of 26 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets engines, pumps and turbines are ZOLLER ARNOLD, PAUL SCHAUER and HERBERT J VENEDIGER DR ING.

Patent filings in countries

World map showing ISHIKAWA ZENJIs patent filings in countries
# Country Total Patents
#1 Japan 26

Patent filings per year

Chart showing ISHIKAWA ZENJIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ishikawa Zenji 26

Latest patents

Publication Filing date Title
JP2007040284A Valve train for four-cycle internal combustion engine
JP2005344702A Valve system for four-cycle internal combustion engine
JP2005220896A Valve operating mechanism for 4-cycle internal combustion engine
JP2004353643A Valve mechanism of four-cycle internal combustion engine
JP2004239249A Valve system for internal combustion engine
JP2004100673A Valve train of internal combustion engine
JPS6137273A Golf club
JPS6131178A Golf club
JPS59105985A Eaves pump
JPS5999083A Eaves pump
JPS5932618A Four-cycle engine
JPS59533A Two-cycle engine
JPS55148919A Device for causing flow of suction gas in four-cycle reciprocating internal combustion engine
JPS55107058A Suction device of internal combustion engine
JPS5538116A Chair equipped with reclaining system
JPS555635A Chair provided with reclining mechanism
JPS54156764A Chair with reclining mechanism
JPS54146161A Chair with reclining mechanism
JPS54137555A Apparatus for shifting phase of rotary member
JPS54121363A Apparatus for changing phase of rotary member