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Tomofumi Sakuma

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  • Tsukuba-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    IMAGE READING APPARATUS
    • Publication number 20210144269
    • Publication date May 13, 2021
    • Canon Kabushiki Kaisha
    • Tomofumi Sakuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE READING APPARATUS
    • Publication number 20200329172
    • Publication date Oct 15, 2020
    • Canon Kabushiki Kaisha
    • Tomofumi Sakuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    READING KIT AND IMAGE READING APPARATUS
    • Publication number 20180103168
    • Publication date Apr 12, 2018
    • Canon Kabushiki Kaisha
    • Tomofumi Sakuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20170339292
    • Publication date Nov 23, 2017
    • Canon Kabushiki Kaisha
    • Tomofumi Sakuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20150296093
    • Publication date Oct 15, 2015
    • Canon Kabushiki Kaisha
    • Yuichi Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
    • Publication number 20140368894
    • Publication date Dec 18, 2014
    • Canon Kabushiki Kaisha
    • Yuichi Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMAGE READING APPARATUS
    • Publication number 20120274996
    • Publication date Nov 1, 2012
    • Canon Kabushiki Kaisha
    • Tomofumi Sakuma
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE