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TATSUMI SHIGEZO

Overview
  • Total Patents
    25
About

TATSUMI SHIGEZO has a total of 25 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements are FELLOWS THOMAS G, KATAYAMA CHAIN CO LTD and RI SHIGERU.

Patent filings in countries

World map showing TATSUMI SHIGEZOs patent filings in countries
# Country Total Patents
#1 Japan 25

Patent filings per year

Chart showing TATSUMI SHIGEZOs 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 Tatsumi Shigezo 25

Latest patents

Publication Filing date Title
JP2011102188A Self-traveling elevator moving vertically by screw fitting
JP2005324959A Unitized self-traveling elevator
JP2004181927A Coil-spring sorting storage device
JP2004070898A Deposit system having system of confirming two or more registered persons for withdrawal
JP2003265545A Bed for physically handicapped person
JP2003245368A Evacuating-escaping apparatus
JP2002349642A Worm wheel reduction mechanism interposed with
JP2002154764A Self-traveling elevator
JP2001104383A Chair for handicapped person allowing passage from backrest portion
JP2000019943A Device and method for learning support
JPH1133129A Continuous structure of escape apparatus
JPH10122222A Self-locking nut with spring
JPH09257025A Self-locking nut
JPH0891739A Elevator device utilizing screw fitting type set between single body magnet and magnet rail
JPH07330262A Simple escalator
JPH07237872A Up and down compatible stair type escalator system
JPH06264987A Power accumulation device capable of inputting and outputting power
JPH06185519A Self-locking nut
JPH06127867A Elevating device using screw-engagement of bearing and open-web rail
JPH0526311A Multistage change gear with differential gear