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Ohnuma; Koh Patent Filings

Ohnuma; Koh

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ohnuma; Koh.The latest application filed is for "toner, developer, and image forming apparatus".

Company Profile
2.10.10
  • Ohnuma; Koh - Shizuoka JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Toner, developer, and image forming apparatus
Grant 10,670,980 - Ohnuma , et al.
2020-06-02
Toner, Developer, And Image Forming Apparatus
App 20180321606 - OHNUMA; Koh ;   et al.
2018-11-08
Toner, toner storage unit, image forming apparatus, and method for manufacturing toner
Grant 10,073,366 - Nagata , et al. September 11, 2
2018-09-11
Toner, toner stored unit, image forming apparatus, and image forming method
Grant 9,880,479 - Santoh , et al. January 30, 2
2018-01-30
Toner, Toner Storage Unit, Image Forming Apparatus, And Method For Manufacturing Toner
App 20170363980 - NAGATA; Kohsuke ;   et al.
2017-12-21
Toner, developer and developer containing unit
Grant 9,753,387 - Hasegawa , et al. September 5, 2
2017-09-05
Toner, Toner Stored Unit, Image Forming Apparatus, And Image Forming Method
App 20170199476 - SANTOH; Hideyuki ;   et al.
2017-07-13
Toner, developer, image forming apparatus, and process cartridge
Grant 9,639,016 - Sugimoto , et al. May 2, 2
2017-05-02
Toner, Developer And Developer Containing Unit
App 20160349644 - HASEGAWA; Shin ;   et al.
2016-12-01
Toner, Developer, Image Forming Apparatus, And Process Cartridge
App 20160259257 - SUGIMOTO; Tsuyoshi ;   et al.
2016-09-08

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