Learn more

NAKAJIMA YASUJI

Overview
  • Total Patents
    49
About

NAKAJIMA YASUJI has a total of 49 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets machines, thermal processes and civil engineering are FEDOTENKO VIKTOR SERGEEVICH, CENTRAL NIPPON EXPRESSWAY CO L and BLASTGARD TECHNOLOGIES INC.

Patent filings in countries

World map showing NAKAJIMA YASUJIs patent filings in countries
# Country Total Patents
#1 Japan 49

Patent filings per year

Chart showing NAKAJIMA YASUJIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Nakajima Yasuji 49
#2 Satou Seiichirou 1
#3 Suzuki Tomohide 1
#4 Iyama Masafumi 1

Latest patents

Publication Filing date Title
JP2010156529A Heat exchanger apparatus using high-temperature exhaust gas
JP2006207352A Joining method of steel-framed main member of steel-framed building
JP2001249000A Method for setting explosion with rod-like cartridge
JP2001027500A Explosion preventive method for parent die, and explosion avoiding method to increased die
JP2000221000A Method for safely blasting landform having plural free surfaces
JPH11173799A Numerical relationship system of elements required for blasting work using rod-like gunpowder
JPH11101600A Safety powder charge amount calculating system for bar-like powder charge
JPH1137700A Equivalent conversion method of explosion on two free surfaces in rod-shaped columnar charge to explosion on one free surface
JPH09113200A Setting method for explosion by rod-form charge
JPH07159100A Quick calculation method of bar-like explosive charge amount from central explosive charge amount
JPH07134000A Suitable charging amount deciding method for plural free surface blasting
JPH0743100A Calculating method of minimum resistance wire length in concentrated explosive
JPH0712500A Calculating method for bore-hole length, bore-hole diameter and blasting factor in bore-hole blasting
JPH06341800A Converting method for fracture force to free surface from equivalent concentrated charge to rodlike charge
JPH06313700A Simplified method for determining minimum resistance wire length/distances between drilled holes in rod-shaped charge
JPH06294600A Method for equivalent exchange between lumped charge and rod-shaped charge
JPH06258000A Calculating method for perforation diameter blasting coefficient value, perforation length minimum resistance wire length, perforation interval length of perforation explosion
JPH06201300A Safe charge quantity deciding method in bore hole blasting
JPH06123600A Executing method for prevention and safety of scattering debris of concentrated blasting by charging
JPH0688700A Method for processing over-charged chemical in chemical charging operation