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WADA KEIJI

Overview
  • Total Patents
    12
About

WADA KEIJI has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States and Japan. Its main competitors in its focus markets semiconductors and surface technology and coating are MANUTIUS IP INC, HUANG CHIH SHU and IKUTA TETSUYA.

Patent filings in countries

World map showing WADA KEIJIs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Japan 2

Patent filings per year

Chart showing WADA KEIJIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wada Keiji 12
#2 Masuda Takeyoshi 9
#3 Honaga Misako 7
#4 Hiyoshi Toru 4
#5 Harada Shin 4
#6 Tamaso Hideto 2
#7 Nishiguchi Taro 2
#8 Namikawa Yasuo 2
#9 Sasaki Makoto 2
#10 Fujiwara Shinsuke 2

Latest patents

Publication Filing date Title
JP2013244568A Drill steel
JP2002274460A Head lamp for bicycle provided with condensed emitter