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HANDOTAI KENKYU SHINKOKAI

Overview
  • Total Patents
    388
About

HANDOTAI KENKYU SHINKOKAI has a total of 388 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets semiconductors, surface technology and coating and optics are EPILEDS TECH INC, TRANSLUCENT INC and BOUR DAVID P.

Patent filings in countries

World map showing HANDOTAI KENKYU SHINKOKAIs patent filings in countries

Patent filings per year

Chart showing HANDOTAI KENKYU SHINKOKAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishizawa Jiyunichi 308
#2 Oomi Tadahiro 62
#3 Nishizawa Junichi 44
#4 Okuno Yasuo 16
#5 Morishita Masakazu 15
#6 Ohmi Tadahiro 12
#7 Takahashi Keishirou 11
#8 Yamamoto Kenji 10
#9 Sudou Ken 9
#10 Nishizawa Jun-Ichi 8

Latest patents

Publication Filing date Title
US5557119A Field effect transistor having unsaturated drain current characteristic
US5585654A Field effect transistor having saturated drain current characteristic
JPS6016471A Static induction nonvolatile semiconductor memory
JPS60251631A Manufacture of semiconductor device having non-uniform distribution of impurity concentration
JPS60207387A Diffusion type znse blue light-emitting diode
JPS60153136A Electrode probe for photo irradiation
JPS60123038A Measurement of photo capacitance using constantly held capacitance of depletion layer
JPS6076119A Compound semiconductor crystal growing apparatus
JPS6074480A Manufacture of iii-v semiconductor device
JPS5951572A Semiconductor device
JPS59130474A Non-volatile memory
JPS5946062A Semiconductor memory
JPS5946066A Insulating gate type static inductive thyristor
JPS5936960A Semiconductor memory device
JPS5936989A 3-5 group compound semiconductor hetero junction
JPS59217202A High density magnetic recording method
JPS59207631A Dry process employing photochemistry
JPS59172280A Ii-vi group intermediate compound semiconductor hetero-junction device
JPS58169974A Semiconductor device
JPS58169955A Semiconductor integrated circuit device and manufacture thereof