Learn more

YOKOYAMA TAKASHI

Overview
  • Total Patents
    16
About

YOKOYAMA TAKASHI has a total of 16 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Japan and United States. Its main competitors in its focus markets semiconductors and surface technology and coating are UBILUX OPTOELECTRONICS CORP, AZZURRO SEMICONDUCTORS AG and DARGIS RYTIS.

Patent filings in countries

World map showing YOKOYAMA TAKASHIs patent filings in countries
# Country Total Patents
#1 Japan 14
#2 United States 2

Patent filings per year

Chart showing YOKOYAMA TAKASHIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yokoyama Takashi 16
#2 Suewa Ryota 1
#3 Yoshihara Koji 1
#4 Saishoji Toshiaki 1
#5 Nakamura Kozo 1

Latest patents

Publication Filing date Title
JP2012021384A Rotary fitting of stepladder usable in common as ladder
JP2011015671A Fixed blade for weeder
JP2007144086A Simplified dentures washing and bactericidal storage container
JP2007144077A Laundry hanger carrier
JP2006280351A Mowing blade device for mower
JP2002067584A Center line ruler for determining center of circle of columnar shape
JP2000201711A Umbrella to accommodate human body under its center
JPH1085021A Slider stopper of fastener for bag cover
JPH09140426A Umbrella for putting body in lower part at center of umbrella
JPH08332797A Cap with ring
JPH071880A Bag cover
JPH0681483A Tightening device for bolt and nut for setting width of form
JPS63307037A Label release device of labeler for sheet tack label
JPS609982A Printing process