Inventor

Koji Oyama

Inventor
Yokohama, JP

Overview

6→
Patents
1988–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 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 chemistry17%
C07CAcyclic or carbocyclic compounds17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C10LFuels not otherwise provided for8%
C10MLubricating compositions8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
C22CAlloys8%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
H04LTransmission of digital information, e.g. telegraphic communication8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to NIPPON OIL CO LTD (2)· patent assignee history
1988Based in Kawasaki, JP· patent location history
1993–2014Based in Yokohama, JP· patent location history
2001–2004Based in Tokyo, JP· patent location history
2013–2014Patents assigned to HONDA KAZUNORI (2)· patent assignee history
2013–2014Patents assigned to ITO HIROFUMI (2)· patent assignee history
2013–2014Patents assigned to JGC CORP (2)· patent assignee history
2013–2014Patents assigned to OKITA ATSUSHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA KAZUNORI22013–2014
ITO HIROFUMI22013–2014
JGC CORP22013–2014
NIPPON OIL CO LTD21988–1993
OKITA ATSUSHI22013–2014
Locations
LocationPatentsSpan
Yokohama, JP31993–2014
Tokyo, JP22001–2004
Kawasaki, JP11988