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OTSUKA KANJI

Overview
  • Total Patents
    65
About

OTSUKA KANJI has a total of 65 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan, United States and Taiwan. Its main competitors in its focus markets semiconductors, digital networks and computer technology are EDELSTEIN DANIEL C, OPTIMUM CARE INT TECH INC and APROLASE DEV CO LLC.

Patent filings in countries

World map showing OTSUKA KANJIs patent filings in countries
# Country Total Patents
#1 Japan 23
#2 United States 14
#3 Taiwan 13
#4 Germany 6
#5 China 3
#6 France 3
#7 Republic of Korea 2
#8 Hong Kong 1

Patent filings per year

Chart showing OTSUKA KANJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otsuka Kanji 63
#2 Usami Tamotsu 51
#3 Akiyama Yutaka 13
#4 Ito Tsuneo 5
#5 Tanba Yuko 4
#6 Suga Tadatomo 3
#7 Sato Yoichi 2
#8 Yoshida Masahiro 2
#9 Yamamoto Shigeru 2
#10 Koyama Takeshi 2

Latest patents

Publication Filing date Title
JP2013223138A Signal transmission line and manufacturing method thereof
JP2008288614A Electronic circuit apparatus
JP2009064843A Semiconductor integrated circuit package, printed wiring board, semiconductor device, and power supply wiring structure
JP2008301062A Transmission line opening type antenna device
JP2008010542A Electrostatic discharge protection circuit, and terminal resistance circuit
JP2007202005A Impedance converting apparatus
JP2006237330A Semiconductor memory device
JP2004046888A Electronic device
JP2005051496A Signal transmission system and signal transmission line
JP2004007657A High-speed signal transmission system
JP2004259722A Electronic circuit device
JP2004254155A Signal transmitter and wiring structure
JP2003224462A Signal transmission system
JP2003218223A Circuit structure and semiconductor integrated circuit
JP2003168968A Electronic device
JP2002259000A Bus terminating method and terminal resistor and wiring board and method for manufacturing the same
JP2002158507A Wiring structure and wiring board
JP2002124635A Semiconductor integrated circuit having varactor device
JP2002026272A Semiconductor circuit device
JP2001210959A Wiring board and producing method therefor