Inventor

Goo Chul Jung

Inventor

Seoul, KR

Overview

2016–2020

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography60%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management40%

PatentTitleYear

10,564,572Toner container with an operating structure disposed on a first side, and a shutter disposed on a second side2020 10,365,584Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure2019 10,317,817Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure2019 10,025,227Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure2018 9,690,231'Toner container, developing device, process cartridge, and image forming apparatus that include an operating member to move a shutter for a toner outlet via a linking member'2017 9,405,228'Developer discharging device for image forming apparatus'2016 9,383,716'Cartridge assembly and shutter assembly for image forming apparatus'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2020Based in Seoul, KR· patent location history

2017–2020Patents assigned to RICOH CO LTD (4)· patent assignee history

2017–2018Patents assigned to ARASAWA SHINICHI (2)· patent assignee history

2017–2018Patents assigned to JUNG GOO CHUL (2)· patent assignee history

2017–2018Patents assigned to OGATA YASUNOBU (2)· patent assignee history

2017–2018Patents assigned to PARK JIN SAM (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	4	2017–2020
ARASAWA SHINICHI	2	2017–2018
JUNG GOO CHULself	2	2017–2018
OGATA YASUNOBU	2	2017–2018
PARK JIN SAM	2	2017–2018

Locations

Location	Patents	Span
Seoul, KR	7	2016–2020