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UMENO MASAYOSHI

Overview
  • Total Patents
    21
About

UMENO MASAYOSHI has a total of 21 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan. Its main competitors in its focus markets semiconductors, optics and surface technology and coating are SILANNA UV TECH PTE LTD, HITACHI CABLE PREC CO LTD and YANGZHOU CHANGELIGHT CO LTD.

Patent filings in countries

World map showing UMENO MASAYOSHIs patent filings in countries
# Country Total Patents
#1 Japan 21

Patent filings per year

Chart showing UMENO MASAYOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Umeno Masayoshi 21
#2 Fujii Sadao 7
#3 Sakai Shirou 7
#4 Ota Haruhisa 2
#5 Soga Tetsuo 2
#6 Jinbo Takashi 2
#7 Sakai Shiro 2
#8 Prakash R Somani 1
#9 Wakita Koichi 1
#10 Uchiyama Hiroyuki 1

Latest patents

Publication Filing date Title
JP2012020915A Method for forming transparent conductive film, and transparent conductive film
JP2009280876A Carbon film deposition method
JP2008056955A Carbon film deposition method
JP2008050228A Method for producing single crystal graphite film
JPH0597600A Stress reduction for compound semiconductor
JPH02242488A Image processor
JPS6468475A Vapor growth method for organic metal
JPS63239922A Epitaxial growth crystal
JPS621284A High-speed responsible visible light-emitting diode
JPS6293985A High speed response visible light emitting diode
JPS61222222A Inxga1-xasyp1-y crystal containing large ga content
JPS61215288A Production of semiconductor
JPS61208216A Liquid-phase epitaxial crystal growth method
JPS61116830A Method for forming mixed crystal inxga1-xasyp1-y including large amount of ga with liquid phase epitaxial method
JPS60206020A Manufacture of ingaasp system compound semiconductor
JPS60201681A Two-wavelength emission type light-emitting diode
JPS60201623A Manufacture of ingaas compound semiconductor
JPS58198924A Electricity and light (and) element
JPS58199583A Multiple wavelength semiconductor laser
JPS5735392A Semiconductor light source with photodetector to monitor