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Inventor

Tsutomu Higashiyama

Inventor
Chiba, JP

Overview

5→
Patents
1998–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary
C07DHeterocyclic compounds45%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium36%
C07HSugars9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
9,212,174'Certain β-dihydrofuran derivatives'20155,846,991'Pyrazole derivatives'19985,840,909'Pyrazole derivatives'19985,817,828'Pyrazole derivatives'19985,721,264'Pyrazole derivatives'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2015Patents assigned to NISSAN CHEMICAL IND LTD (5)· patent assignee history
1998Based in Chiba, JP· patent location history
2015Patents assigned to HIGASHIYAMA TSUTOMU (1)· patent assignee history
2015Patents assigned to IRIYAMA YUSUKE (1)· patent assignee history
2015Based in Funabashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN CHEMICAL IND LTD51998–2015
HIGASHIYAMA TSUTOMUself12015
IRIYAMA YUSUKE12015
Locations
LocationPatentsSpan
Chiba, JP41998
Funabashi, JP12015