Choi; Woong-Yong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Woong-Yong.The latest application filed is for "toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part".

Company Profile

6.24.16

Choi; Woong-Yong - Seongnam-si KR
Choi; Woong Yong - Suwon KR
Choi; Woong-Yong - Yongin-si KR
Choi; Woong-Yong - Suwon-si KR
Choi; Woong-Yong - Kyunggi-do N/A KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part Grant 11,281,125 - Lee , et al. March 22, 2	2022-03-22
Toner refill cartridge with holder holding memory unit thereon and rotatable with respect to cartridge body Grant 11,209,750 - Moon , et al. December 28, 2	2021-12-28
Structure for releasing internal pressure in development cartridge when refilling toner Grant 11,126,113 - Lee , et al. September 21, 2	2021-09-21
Structure for selectively locking toner inlet shutter of toner refill portion based on rotational phase of toner refill cartridge Grant 11,112,728 - Cho , et al. September 7, 2	2021-09-07
Interface structure for toner refill cartridge and toner refill portion Grant 11,112,727 - Moon , et al. September 7, 2	2021-09-07
Toner Refill Cartridge With Structure For Preventing Toner Discharging Part From Being Blocked By Weight Part App 20210263448 - LEE; Seung-Gweon ; et al.	2021-08-26
Toner Refill Cartridge With Holder Holding Memory Unit Thereon And Rotatable With Respect To Cartridge Body App 20210255565 - Moon; Ji Won ; et al.	2021-08-19
Interface Structure For Toner Refill Cartridge And Toner Refill Portion App 20210240101 - MOON; Yong Il ; et al.	2021-08-05
Structure For Selectively Locking Toner Inlet Shutter Of Toner Refill Portion Based On Rotational Phase Of Toner Refill Cartridge App 20210232064 - CHO; Yong-Kwan ; et al.	2021-07-29
Toner cartridge for refilling toner by using elastic force Grant 11,036,164 - Choi , et al. June 15, 2	2021-06-15
Print Particle Replenishment Device App 20210162666 - MOON; Ji-Won ; et al.	2021-06-03
Structure For Releasing Internal Pressure In Development Cartridge When Refilling Toner App 20210149327 - Lee; Seung Gweon ; et al.	2021-05-20
Toner Cartridge For Refilling Toner By Using Elastic Force App 20210103234 - Choi; Woong Yong ; et al.	2021-04-08
Development cartridge for a printer Grant D907,698 - Moon , et al. January 12, 2	2021-01-12
Toner reload kit Grant D893,598 - Moon , et al. A	2020-08-18
Developing cartridge, developing apparatus and image forming apparatus having the same Grant 10,558,144 - Jang , et al. Feb	2020-02-11
Developing Cartridge, Developing Apparatus And Image Forming Apparatus Having The Same App 20190049875 - JANG; Ho-jin ; et al.	2019-02-14
Developing cartridge, developing apparatus and image forming apparatus having the same Grant 10,139,750 - Jang , et al. Nov	2018-11-27
Cartridge Grant D833,519 - Yang , et al. November 13, 2	2018-11-13
Cartridge Grant D833,520 - Yang , et al. November 13, 2	2018-11-13
Cartridge Grant D832,340 - Yang , et al. October 30, 2	2018-10-30
Developing Cartridge, Developing Apparatus And Image Forming Apparatus Having The Same App 20180181023 - JANG; Ho-jin ; et al.	2018-06-28
Developing device and image forming apparatus including the same Grant 9,658,571 - Kim , et al. May 23, 2	2017-05-23
Developer cartridge and electrophotographic image forming apparatus including the same Grant 9,651,894 - Kim , et al. May 16, 2	2017-05-16
Developer Cartridge And Electrophotographic Image Forming Apparatus Including The Same App 20160357126 - KIM; Dong-uk ; et al.	2016-12-08
Cartridge and electrophotographic image forming apparatus using the same Grant 9,465,357 - Moon , et al. October 11, 2	2016-10-11
Developing Device And Image Forming Apparatus Including The Same App 20160103403 - KIM; Jong-in ; et al.	2016-04-14
Cartridge And Electrophotographic Image Forming Apparatus Using The Same App 20150261181 - Moon; Ji-won ; et al.	2015-09-17
Developing device and image forming apparatus including the same Grant 8,977,162 - Kim , et al. March 10, 2	2015-03-10
Developing device and image forming apparatus including the same Grant 8,831,474 - Joo , et al. September 9, 2	2014-09-09
Developing device for a printer Grant D706,339 - Choi , et al. June 3, 2	2014-06-03
Developing apparatus for printer Grant D705,349 - Choi , et al. May 20, 2	2014-05-20
Developing Device And Image Forming Apparatus Including The Same App 20130129384 - KIM; Jong-in ; et al.	2013-05-23
Developing device and image forming apparatus including the same App 20120163879 - Joo; Jong-hwa ; et al.	2012-06-28
Developing unit and image forming apparatus having the same Grant 8,126,370 - Choi , et al. February 28, 2	2012-02-28
Developing Unit And Image Forming Apparatus Having The Same App 20090245877 - CHOI; Woong Yong ; et al.	2009-10-01

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