Inventor

Hidetsugu Fujii

Inventor
Chiba, JP

Overview

13→
Patents
1982–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry23%
B01DSeparation13%
Y02PClimate change mitigation technologies in the production or processing of goods10%
C01BNon-metallic elements6%
C01CAmmonia6%
C05CNitrogenous fertilisers6%
B05CApparatus for applying fluent materials to surfaces, in general3%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2007Patents assigned to TOYO ENGINEERING CORP (9)· patent assignee history
1982Patents assigned to MITSUI TOATSU CHEMICALS (2)· patent assignee history
1982–1985Based in Mobara, JP· patent location history
1989–2007Based in Chiba, JP· patent location history
2000Patents assigned to NORDSON CORP (1)· patent assignee history
2000Based in Tokyo, JP· patent location history
2001–2007Based in Sakura, JP· patent location history
2007Patents assigned to K E M CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYO ENGINEERING CORP91982–2007
MITSUI TOATSU CHEMICALS21982
K E M CORP12007
NORDSON CORP12000
Locations
LocationPatentsSpan
Chiba, JP61989–2007
Mobara, JP41982–1985
Sakura, JP22001–2007
Tokyo, JP12000