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ZAIDAN HOJIN HANDOTAI KENKYU

Overview
  • Total Patents
    163
About

ZAIDAN HOJIN HANDOTAI KENKYU has a total of 163 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Germany and EPO (European Patent Office). Its main competitors in its focus markets semiconductors, machines and basic communication technologies are SEMICONDUCTOR RES FOUND, SHOCKLEY TRANSISTOR CORP and CREE RESEARCH INC.

Patent filings per year

Chart showing ZAIDAN HOJIN HANDOTAI KENKYUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishizawa Jun-Ichi 115
#2 Ohmi Tadahiro 23
#3 Okuno Yasuo 8
#4 Nishizawa Junichi 7
#5 Tamamushi Takashige 7
#6 Nishizawa Jun-Ichi Prof 6
#7 Mitamura Koichi 4
#8 Suto Ken 4
#9 Motoya Kaoru 4
#10 Mitsui Kiyoo 4

Latest patents

Publication Filing date Title
US5663582A High frequency static induction transistor having high output
US5808328A High-speed and high-density semiconductor memory
NL9500518A Semiconductor memory circuit
NL9402176A Semiconductor device
EP0631326A2 Semiconductor memory device and method of manufacturing same
US5426314A Insulated gate control static induction thyristor
US5240685A Apparatus for growing a GaAs single crystal by pulling from GaAs melt
US5227647A Semiconductor switching device
US5175598A Semiconductor switching device
US5019876A Semiconductor photo-electric converter
EP0284021A2 PWM power converter
US4985738A Semiconductor switching device
DE3102930A1 Generator for long-wave electromagnetic infrared waves
US4331737A Oxynitride film and its manufacturing method
EP0024905A2 Insulated-gate field-effect transistor
US4354140A Light-emitting semiconductor
CA1087321A Integrated circuit with static induction transistor
DE3051162C2 High reverse voltage static induction thyristor
US4427990A Semiconductor photo-electric converter with insulated gate over p-n charge storage region
US4364072A Static induction type semiconductor device with multiple doped layers for potential modification