Learn more

ISHIMARU TATSUJI

Overview
  • Total Patents
    77
About

ISHIMARU TATSUJI has a total of 77 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering and mechanical elements are ANHUI XINZE TECH CO LTD, DICLELI MURAT and ADVANCED SYSTEM CO LTD.

Patent filings in countries

World map showing ISHIMARU TATSUJIs patent filings in countries
# Country Total Patents
#1 Japan 77

Patent filings per year

Chart showing ISHIMARU TATSUJIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ishimaru Tatsuji 77
#2 Shintani Takahiro 44
#3 Kubota Masaharu 42
#4 Hata Ippei 7
#5 Kuzuka Masayuki 6
#6 Hayashi Ikuo 5
#7 Maekawa Yasuo 5
#8 Miyajima Yohei 4
#9 Ishimaru Kazuko 4
#10 Kurihara Mitsuyoshi 4

Latest patents

Publication Filing date Title
JP2012007451A Vibration control device, steel tower and structure
JP2011069104A Seismic control device and seismic control structure
JP2008002684A Vibration damper
JP2007271088A Vibration damper
JP2007285526A Vibration damper
JP2008144860A Seismic isolator and seismic isolation structure
JP2008002165A Toggle type seismic control equipment with rotary inertia mass
JP2008002167A Method for determining natural period, design method for structure, and structure
JP2007046445A Double layer seismic response control device
JP2005249210A Damping apparatus
JP2006257701A Vibration control wooden wall device
JP2005009682A Vibration control device
JP2006070588A Connecting structure of toggle vibration damper
JP2006052826A Double damper and manufacturing method of damper
JP2006052827A Method of designing coil-like elastoplastic damper
JP2006052824A Damper
JP2006052614A Base isolation structure designing method
JP2006052825A Designing method of damper
JP2004286223A Damping apparatus
JP2004286224A Damping apparatus