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GAKEI DENKI SEISAKUSHO

Overview
  • Total Patents
    42
About

GAKEI DENKI SEISAKUSHO has a total of 42 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets surface technology and coating, machines and measurement are METALS RESEARCH LTD, SAWYER RES PRODUCTS INC and TYCO LABORATORIES INC.

Patent filings in countries

World map showing GAKEI DENKI SEISAKUSHOs patent filings in countries
# Country Total Patents
#1 Japan 42

Patent filings per year

Chart showing GAKEI DENKI SEISAKUSHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishizawa Minoru 42
#2 Igarashi Touichi 2
#3 Tashiro Shingo 1
#4 Umeda Tsuneo 1
#5 Baba Tsunetaka 1

Latest patents

Publication Filing date Title
JPH04154686A Multistage crucible and production of compound semiconductor single crystal using the same multistage crucible
JPH01139992A Shutter device for electric furnace
JPH01114693A Shutter apparatus for electric furnace
JPH01114694A Shutter apparatus for electric furnace
JPS63175375A Electromagnetic cooker
JPS63174293A Heater of electric furnace
JPS63159206A Method for synthesis of compound semiconductor material and apparatus therefor
JPS62252305A Synthesis of iii-v compound semiconductor and apparatus therefor
JPS62176982A Device for pulling compound semiconductor single crystal
JPS6158881A Growing device of single crystal
JPS6158884A Process for growing single crystal
JPS6158895A Method and device for growing single crystal
JPS6158882A Temperature measuring device
JPS6158883A Moving device for partition plate
JPS6161126A Peep show
JPS60194395A Electrode automatic clamping device to previously projected nuclear fuel coated tube
JPS5942499A Method of solidifying radioactive waste and processing container therefor
JPS59171843A Apparatus for measuring thermal expansion and contraction
JPS59170681A Pressing mechanism of hot press
JPS59121187A Apparatus for pulling single crystal of compound semiconductor