Chikashima & Associates

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Main Office Image
Main Office

SANKI Shiba Kanasugibashi Bldg 6F 1-4-3 Shiba, Minato-ku, Tokyo 105-0014 Japan
TEL:+81-3-5443-7651
FAX:+81-3-5443-7652
E-mail:chika-pat-hp@chika-pat.com
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Kamata Office Image
Kamata Office

3-11-27 Higashiyaguchi, Ohta-ku, Tokyo 146-0094 Japan
TEL:+81-3-5744-3460
FAX:+81-3-5744-3465
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  • 〔Representative〕 Kazuo Chikashima
  • 〔Founded〕 April 1, 1977
  • 〔Members〕

    Three patent attorneys; 12 patent engineers (including 2 staffs in charge of foreign affairs); 1 staff in charge of drawing; 5 clerical workers (as of May, 2014)

  • 〔Brief History〕
    April, 1977:
    Founded Chikashima & Associates
    February, 1999:
    Changed the name of the office to “Act International Patent Firm”.
    September, 2001:
    Moved the office due to an expansion thereof from Nishi-Kamata,
    Ota District to Shibaura, Minato District, Tokyo.
    February, 2004:
    Changed the name of the office to “Chikashima International Patent Firm”.
    May, 2009:
    Merged with Sakamoto Patent Firm.
  • 〔Affiliated with〕

    Act, Co., Ltd.

  • 〔Main Clients〕

    Business machine maker, Amusement machine maker, Agricultural machine maker,
    Automobile transmission maker, Chain maker, Machine tools maker, etc.

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