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YAMAMOTO MITSUO

Overview
  • Total Patents
    23
About

YAMAMOTO MITSUO has a total of 23 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan and United States. Its main competitors in its focus markets optics, medical technology and environmental technology are SWANSON ERIC, BIOPTIGEN INC and OPTOPOL TECHNOLOGY S A.

Patent filings in countries

World map showing YAMAMOTO MITSUOs patent filings in countries
# Country Total Patents
#1 Japan 15
#2 United States 8

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamamoto Mitsuo 23
#2 Morita Kenichi 5
#3 Matsuura Akihiro 3
#4 Taki Seiji 2
#5 Yamashita Kinji 1
#6 Takiba Akira 1
#7 Akiyoshi Yasuhiro 1
#8 Satake Norimasa 1
#9 Yamamoto Tsuyoshi 1
#10 Kojima Nobuhiko 1

Latest patents

Publication Filing date Title
JP2009068292A Zigzag-arranged bar screen for river intake works
JP2006070537A Right-angled v-shaped energy dissipator, cascade work using the same, and stepped-down waterway using them
JP2005273239A Low head bar screen water intake work and continuous flow type cascade work having this work
JP2005220610A Continuous flow type slit sand control dam
JP2003321824A Long flume with circular opening and open channel using the same
JP2003250321A Mowing blade with protection plate
JP2002317429A Consolidation cascade type fishway
JP2001317032A Consolidation cascadetype intake works
JP2000319856A Torrent intaking work through slit-type erosion control dam system
JPH10264873A Safety proposal as to traffic and its concrete measure (bicycle, for example)
JPH0431383A Nutrition enhancer blended with fine ceramic powder
JPH02229349A Beam reinforcing bar binding tool and beam reinforcing bar structure
JPS62248943A Moisture conditioning device of vent pipe
JPS5978639A Fishing hook clasp for fishing rod
JPS5441263A Method and making dressed plate for building use