Inventor

Nobumasa Nakajima

Inventor
Tokyo, JP

Overview

7→
Patents
2004–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry38%
C10GCracking hydrocarbon oils38%
C08JWorking-up6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to KANEKA CORP (1)· patent assignee history
2004Based in Hyogo, JP· patent location history
2009–2019Patents assigned to COSMO OIL CO LTD (6)· patent assignee history
2009–2019Based in Satte, JP· patent location history
2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COSMO OIL CO LTD62009–2019
KANEKA CORP12004
Locations
LocationPatentsSpan
Tokyo, JP32018–2019
Satte, JP32009–2019
Hyogo, JP12004