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YAMASHITA ISAO

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    206,726
  • Filing trend
    ⇩ 100.0%
About

YAMASHITA ISAO has a total of 20 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets materials and metallurgy, micro-structure and nano-technology and optics are G OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA NOVOSIB G ARKHITEKTURNO STR N, CHINA NAT OFFSHORE OIL CORP CH and LIANGQIANG XIA.

Patent filings in countries

World map showing YAMASHITA ISAOs patent filings in countries
# Country Total Patents
#1 Japan 15
#2 United States 4
#3 Canada 1

Patent filings per year

Chart showing YAMASHITA ISAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamashita Isao 20
#2 Tsukuma Koji 4
#3 Kudou Masayuki 2
#4 Tsuyoshi Toru 1

Latest patents

Publication Filing date Title
JP2019065666A Shoji-like fire-retardant fusuma
JP2017080958A Wood column hole-opening device
JP2014009585A Japanese-western style decorative thick papered sliding door
JP2012237182A Octagonal structure of wood-finished construction
JP2012007282A Necktie or scarf free to be worn without knotting
US2012058883A1 High-strength transparent zirconia sintered body, process for producing the same, and uses thereof
JP2011106798A Exhaust cooling generator
US2011189622A1 Colored alumina sintered body of high toughness and high translucency, and its production method and its uses
JP2010042194A Necktie attachment for cool-biz and necktie for cool-biz
JP2005305076A Elevator for fire escape
JP2005264636A Structural body of bearing wall and framework structure
JP2005009004A Necktie
JP2002021144A Flow rate adjusting device for low tank
JP2001303333A Necktie
JP2000309982A Connection fitting for construction and bracing structure using the connection fitting
JPS5523252A Pile driving process
JPS5213848A Field cultivating implement and its using method
CA655780A Passing light system for motor vehicles