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YAMADA KATSUYA

Overview
  • Total Patents
    12
About

YAMADA KATSUYA has a total of 12 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets measurement, optics and biotechnology are PINE INSTR COMPANY, NEW EDWARD and GOETTFERT WERKSTOFF PRUEFMASCH.

Patent filings in countries

World map showing YAMADA KATSUYAs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 United States 3

Patent filings per year

Chart showing YAMADA KATSUYAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamada Katsuya 12
#2 Teshima Tadashi 2
#3 Yamamoto Toshihiro 2
#4 Kawasaki Yasuaki 1
#5 Iwata Hiroshi 1
#6 Onoe Hirotaka 1
#7 Matsuoka Hideaki 1

Latest patents

Publication Filing date Title
JPH06221955A Method for inspecting defect of vessel
JPH05229005A Method for forming of corrosion resistant film on roll surface
JPS58155343A Method for inspecting orifice wall of honeycomb like matter
JPS5883235A Measuring method for photographic density
JPS56167118A Scanner of optical system
JPS5544926A Article surface fault detector
JPS5288082A Daylight hours measuring apparatus
JPS5279985A Method of detecting composition irregularity etc* of transparent sheet