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YAMADA KAZUO

Overview
  • Total Patents
    31
About

YAMADA KAZUO has a total of 31 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, measurement and computer technology are BEIHAI SHENLAN SCIENCE AND TECH DEV CO LTD, HEYUAN POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD and HUAIAN POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO LTD.

Patent filings in countries

World map showing YAMADA KAZUOs patent filings in countries
# Country Total Patents
#1 Japan 19
#2 United States 9
#3 Germany 1
#4 France 1
#5 United Kingdom 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamada Kazuo 30
#2 Yamada Namiko 4
#3 Naito Takao 2
#4 Yagi Ayumi 1
#5 Yoshimi Naoki 1
#6 Yoshizawa Hideo 1
#7 Matsui Ryoji 1
#8 Shimomura Takahiro 1
#9 Kato Komei 1
#10 Myl Lukasz 1

Latest patents

Publication Filing date Title
JP2013157331A Led lighting circuit by low-voltage power supply, and device having led lighting circuit
JP2010183043A Equipment incorporating led turn-on circuit by low-voltage power source and turn-on switch
JP2009174303A Wood material connection reinforcing joint hardware
JP2009075525A Last one character answering type learning system
JP2009075526A Comprehensive english learning system using speech synthesis
JP2008189381A Siphon container with residual amount reduction detector, bubbler container, and industrial airtight container
US2009302681A1 Power supply system
JP2007108619A Display unit capable of selecting information with magnetic force
JP2000293704A Device and method for displaying three-dimensional data and information recording medium
JP2000080800A Support body for fall-prevention fence
JPH07290919A Auxiliary tool for escaping from tire slipping
JPH03150104A Manufacture of inorganic hollow shaped article
JPS58223512A Edge cutter for welding
JPS57211457A Edge cutting machine for welding
JPS5312915A Tile surface decoration working art and apparatus for spraying fine granules in carrying out the art
JPS5299253A Method of preserving and packing roasted sweet chestnut
JPS5251054A Method preserving roasted sweet chestnut
JPS5251053A Method of storing and preserving raw chestnut
JPS5226677A High speed intermittent work machine
JPS528578A Pressing device