Inventor

Jong-Ryul Ha

Inventor
Kyungki-do, KR

Overview

3→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds29%
A61KPreparations for medical, dental or toiletry purposes14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
H01LSemiconductor devices14%
H10KOrganic electric solid-state devices14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to CHOONGWAE PHARMA CORP (1)· patent assignee history
2001–2004Based in Kyungki-do, KR· patent location history
2004Patents assigned to CHOONGWAE PHARM CO LTD (1)· patent assignee history
2021Patents assigned to DUK SAN NEOLUX CO LTD (1)· patent assignee history
2021Patents assigned to DUK SAN NEOLUXCO LTD (1)· patent assignee history
2021Based in Cheonan-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHOONGWAE PHARM CO LTD12004
CHOONGWAE PHARMA CORP12001
DUK SAN NEOLUX CO LTD12021
DUK SAN NEOLUXCO LTD12021
Locations
LocationPatentsSpan
Kyungki-do, KR22001–2004
Cheonan-si, KR12021