Inventor

Won Hun Ham

Inventor

Seoul, KR

Overview

6→

Patents

1998–2006

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds45%

C07DHeterocyclic compounds18%

Y02PClimate change mitigation technologies in the production or processing of goods18%

C07BGeneral methods of organic chemistry9%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%

PatentTitleYear

6,989,458'Process for preparing prostaglandin derivatives and stereospecific starting material thereof'2006 6,914,159'Process for preparing sulfamoyl-substituted phenethylamine derivatives'2005 6,852,880'Process for preparing prostalglandin derivatives and stereospecific starting material thereof'2005 6,143,900'Stereoselective synthesis of oxazoline derivative'2000 6,127,546'Process for the preparation of oxazoline compound'2000 5,792,885'Preparation of 3-amino-1-hydroxypropane-1, 1-diphosphonic acid'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to DONG KOOK PHARM CO LTD (3)· patent assignee history

1998Based in Suwon-si, KR· patent location history

2000–2006Based in Seoul, KR· patent location history

2005–2006Patents assigned to YONSUNG FINE CHEMICAL CO (2)· patent assignee history

2005Patents assigned to YONSUNG FINE CHEMICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DONG KOOK PHARM CO LTD	3	1998–2000
YONSUNG FINE CHEMICAL CO	2	2005–2006
YONSUNG FINE CHEMICAL CO LTD	1	2005

Locations

Location	Patents	Span
Seoul, KR	5	2000–2006
Suwon-si, KR	1	1998