Inventor

Yujiro Kiyoshima

Inventor

Oita, JP

Overview

6→

Patents

1996–2001

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 compounds43%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium29%

A01NPreservation of bodies of humans or animals or plants or parts thereof14%

C07DHeterocyclic compounds14%

PatentTitleYear

6,333,417'Method for producing hexahydro-2-OXO-1H-thieno[3,4-D]imidazole-4-pentanoic acid'2001 5,684,174'Method for purifying O, S-dimethyl N-acetylphosphoramidothioate'1997 5,629,442'Process for producing .alpha.-hydroxyiminophenylacetonitriles'1997 5,616,769'Method for purifying O,S-dimethyl N-acetylphosphoramidothioate'1997 5,510,506'Process for producing carboxylic acid derivatives'1996 5,498,792'Process of producing N-alkylacetamides'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2001Patents assigned to SUMITOMO CHEMICAL CO (6)· patent assignee history

1996–1997Patents assigned to SHIONOGI & CO (3)· patent assignee history

1996–2001Based in Oita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	6	1996–2001
SHIONOGI & CO	3	1996–1997

Locations

Location	Patents	Span
Oita, JP	6	1996–2001