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Inventor

Kenji Kawanishi

Inventor
Osaka, JP

Overview

2→
Patents
2000–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations50%
C07DHeterocyclic compounds50%
PatentTitleYear
6,172,228'Process for producing piperazinesulfonamide derivatives and salts thereof'20016,080,750'Pyrimidine compound and anti-rotavirus composition'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to NIPPON SHOJI KAISHA LTD (1)· patent assignee history
2000–2001Based in Osaka, JP· patent location history
2001Patents assigned to AZWELL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AZWELL INC12001
NIPPON SHOJI KAISHA LTD12000
Locations
LocationPatentsSpan
Osaka, JP22000–2001