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SHOJI KATSUJI

Overview
  • Total Patents
    13
About

SHOJI KATSUJI has a total of 13 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan, EPO (European Patent Office) and Republic of Korea. Its main competitors in its focus markets mechanical elements are SERGEEV SERGEJ E, MILLA GRANDE ANTONIO and UGGLA WILHELM ROBERT.

Patent filings in countries

World map showing SHOJI KATSUJIs patent filings in countries

Patent filings per year

Chart showing SHOJI KATSUJIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Gearing

Top inventors

# Name Total Patents
#1 Shoji Katsuji 13

Latest patents

Publication Filing date Title
JP2012087816A Reduction gear having self-lock function
JP2006070987A Power transmission device having self-lock function, and winch using the same
JP2004100770A Reduction gear having self lock function
KR20030048554A Self-locking reduction device
JP2002172142A Stand-up auxiliary device
JP2001355685A Reduction gear having self lock function and hoist machine using the same
JP2001041293A Reduction gear having self-locking function and valve opening device using same
JPH1182805A Valve manually operating machine
JPH1179058A Motor-assisted type manpower rotation driver
JPH09329259A Valve actuator
JPH0781581A Truck