Inventor

Takashi Nagai

Inventor

Toyama, JP

Overview

4→

Patents

1986–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary

C07DHeterocyclic compounds44%

Y02PClimate change mitigation technologies in the production or processing of goods33%

C07CAcyclic or carbocyclic compounds11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

PatentTitleYear

5,166,204'Isoindole derivatives and salts thereof and antitumor agent comprising the same'1992 4,717,767'7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins'1988 4,618,606'Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins'1986 4,614,819'Novel process for producing cephalosporins'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to TOYAMA CHEMICAL CO LTD (4)· patent assignee history

1986–1992Based in Toyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYAMA CHEMICAL CO LTD	4	1986–1992

Locations

Location	Patents	Span
Toyama, JP	4	1986–1992