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MURAYAMA YOUICHI

Overview
  • Total Patents
    15
About

MURAYAMA YOUICHI has a total of 15 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, semiconductors and optics are GUANGDONG ZHENHUA TECH CO LTD, WUXI HUIMING ELECTRONIC TECHNOLOGY CO LTD and SOLAYTEC B V.

Patent filings in countries

World map showing MURAYAMA YOUICHIs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing MURAYAMA YOUICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Murayama Youichi 15
#2 Nomachi Tetsuya 3
#3 Katajima Masaru 2
#4 Sakaguchi Hikari 1
#5 Nagasawa Mitsuo 1
#6 Ikeda Hideo 1
#7 Izawa Takao 1
#8 Kameyama Masaomi 1
#9 Hirose Toshiyuki 1

Latest patents

Publication Filing date Title
JPS5892214A High-frequency ion plating device
JPS5831078A Method and device for pretreatment of film substrate
JPS57178201A Coating method for optical instrument for high-output laser
JPS57177971A High frequency ion plating device
JPS55145336A High frequency ion-plating device
JPS5569254A Coloring method for metal surface
JPS5398853A Indicator in optinal device
JPS5385173A High vacuum ion implanting method
JPS5384885A Surface treating apparatus
JPS5322877A Process for forming silicon nitride film by highhfrequency ionic plating method
JPS5314577A Ion plating device
JPS5282699A Hard boronnitride c0ating
JPS5278776A Apparatus for high frequency ionic plating
JPS5253778A Ion plating apparatus
JPS5256083A Ionic plating apparatus