Patent Ranking in Japan - Applicant details - Japanese version

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Ricoh Company, Ltd

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　■　2017 Application Ranking      5th 　publications: 3925 （上昇2016: 6th  3717）

　■　2017 Acquisition Ranking      5th 　registrations: 2419 （上昇2016: 7th  2316）

（update：Sep 16, 2021）

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Publication numberTitle of the InventionPublic. dateRemarks
B 6251975 Management system, management method, program and transmission system Dec 27, 2017
B 6252037 Information sharing system, information sharing method, connection device, and information sharing program Dec 27, 2017
B 6252050 Liquid ejection head driving method and image forming apparatus Dec 27, 2017
B 6252057 Piezoelectric actuator, droplet discharge head, liquid cartridge, inkjet recording device, and method for manufacturing piezoelectric actuator Dec 27, 2017
B 6252060 Program, information processing apparatus, and image processing system Dec 27, 2017
B 6252071 Photoelectric conversion element Dec 27, 2017
B 6252082 Projection zoom lens and image display device Dec 27, 2017
B 6252095 Image forming device Dec 27, 2017
B 6252103 Zoom lens and image pickup apparatus using the zoom lens Dec 27, 2017
B 6252105 Terminal device, output system, output method, and program Dec 27, 2017
B 6252120 Information processing device and program Dec 27, 2017
B 6252155 Toner storage container, toner replenishing device, and image forming apparatus Dec 27, 2017
B 6252159 Authentication system, authentication method, program, information processing device, and device Dec 27, 2017
B 6252168 Ink, ink cartridge, ink jet recording device, ink jet recording method, and ink recorded matter Dec 27, 2017
B 6252169 Method for producing group 13 nitride crystal Dec 27, 2017

1-15 (total:2436)

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6251975 6252037 6252050 6252057 6252060 6252071 6252082 6252095 6252103 6252105 6252120 6252155 6252159 6252168 6252169

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Patent Ranking in Japan

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