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YAMAMOTO SADAO

Overview
  • Total Patents
    21
About

YAMAMOTO SADAO has a total of 21 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan and United States. Its main competitors in its focus markets computer technology, optics and audio-visual technology are RICH IP TECHNOLOGY INC, INFERPOINT SYSTEMS SHENZHEN LTD and G2TOUCH CO LTD.

Patent filings in countries

World map showing YAMAMOTO SADAOs patent filings in countries
# Country Total Patents
#1 Japan 14
#2 United States 7

Patent filings per year

Chart showing YAMAMOTO SADAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Sadao 21
#2 Onoda Naoto 2
#3 Abe Masahiko 2
#4 Oda Yasuo 1
#5 Samukawa Tomoko 1
#6 Sugiyama Yoshihisa 1
#7 Torio Akio 1

Latest patents

Publication Filing date Title
JP2013220388A Depressing head of liquid discharge container
JP2005321371A Sheet for measuring ultraviolet ray transmission amount, device for measuring ultraviolet ray transmission amount, and method for measuring ultraviolet ray transmission using the sheet
JP2006035385A Staple driving tool
JP2003038374A Bath furnace cleaning system having holder stuck to bathtub face for sealing furnace port and pump for executing forced circulating cleaning by the same holder
JP2001336676A Piping joint adhered closely to plane for sealing, and bath boiler cleaning system
JP2000170655A Inhalation and compression pump device whose ellipse piston reciprocates between follower piece and complex cylinder groove cam while fitted in ellipse cylinder in cylinder
JPH10216157A Tooth pick and manufacture thereof
JPH08218643A Method of placing mortar and cover sheet used therefor
JPH08175074A Writing instrument
JPH08142576A Multipurpose cap for writing implement
JPH06218067A Magnetic therapeutic device and application thereof
JPH062784A Sub-acting type water supply valve having buoy inside
JPS59112054A Removal of floated substance in loom
JPS56138543A Ball joint type wire joint assembly