LexDanaLexDanabeta
Inventor

Nobuo Niikawa

Inventor
Chiba, JP

Overview

3→
Patents
2001–2003
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 compounds75%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
PatentTitleYear
6,545,024'Sulfoxide compounds and acetone complexes, and a process for producing the same'20036,313,303'Process for the preparation of pyridine derivatives'20016,180,652'Sulfoxide compounds and acetone complexes, and a process for producing the same'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to EISAI CO LTD (3)· patent assignee history
2001–2003Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD32001–2003
Locations
LocationPatentsSpan
Chiba, JP32001–2003