Inventor

Jung Hwan MYUNG

Inventor
KR

Overview

22→
Patents
2021–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus23%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
C07CAcyclic or carbocyclic compounds19%
Y02PClimate change mitigation technologies in the production or processing of goods12%
C08LCompositions of macromolecular compounds8%
B29DProducing particular articles from plastics or from substances in a plastic state4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
B29CShaping or joining of plastics2%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles1%
PatentTitleYear
12,583,819Polythiol composition, optical polymerizable composition, and optical product202612,583,963Polymerizable composition and optical material using the same202612,503,427Diamine composition, and method of preparing diisocyanate composition202512,421,346Polythiol composition, optical composition, and optical product202512,049,437Diisocyanate composition, preparation method thereof and optical material using same202411,987,541Method of preparing diisocyanate composition202411,964,931Method of preparing diisocyanate composition and optical lens202411,958,937Polymerizable composition and optical material produced therefrom202411,932,591Method of preparing diisocyanate composition and optical lens202411,760,719Diamine composition, and method of preparing diisocyanate composition202311,760,721Polymerizable composition for polythiourethane-based optical material202311,731,936Diisocyanate composition, preparation method thereof and optical material using same202311,702,384Diisocyanate composition for optical lens and preparation method thereof202311,673,992Isocyanate composition with improved stability and reactivity, and optical lens using same202311,634,383Method of preparing diisocyanate composition202311,578,038Method for preparing polythiol composition202311,572,432Polythiourethane-based plastic lens202311,518,737Method of preparing diisocyanate composition and optical lens202211,339,121Method of preparing diisocyanate composition202211,279,673Aromatic polythiol compound for optical material202211,248,011Phosphorus-based releasing agent, optical polymerizable composition comprising same and preparation thereof202211,155,006Method and apparatus for releasing molded article from mold2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to SKC CO LTD (18)· patent assignee history
2021–2026Based in KR· patent location history
2022–2025Patents assigned to WOORI FINE CHEM CO LTD (11)· patent assignee history
2024–2026Patents assigned to SK PUCORE CO LTD (7)· patent assignee history
2026Patents assigned to SK PUCORE CO ITD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SKC CO LTD182021–2024
WOORI FINE CHEM CO LTD112022–2025
SK PUCORE CO LTD72024–2026
SK PUCORE CO ITD12026
Locations
LocationPatentsSpan
KR222021–2026