Inventor

Kohji Tamura

Inventor
Kawanishi, JP

Overview

15→
Patents
1980–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
C11DDetergent compositions13%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis13%
G11BInformation storage based on relative movement between record carrier and transducer13%
C22CAlloys8%
A61BDiagnosis4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C07JSteroids4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1984Patents assigned to HITACHI LTD (2)· patent assignee history
1984–1992Patents assigned to DAIKIN IND LTD (8)· patent assignee history
1984–1992Based in Kawanishi, JP· patent location history
1984Based in Ebina, JP· patent location history
1988–2000Patents assigned to BABCOCK HITACHI KK (3)· patent assignee history
1988–2000Based in Kure, JP· patent location history
1992Based in Yono, JP· patent location history
1998–2000Patents assigned to FUJITA TOSHIO (2)· patent assignee history
1998–2000Patents assigned to NIPPON STEEL CORP (2)· patent assignee history
1998Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD81984–1992
BABCOCK HITACHI KK31988–2000
FUJITA TOSHIO21998–2000
HITACHI LTD21980–1984
NIPPON STEEL CORP21998–2000
Locations
LocationPatentsSpan
Kawanishi, JP81984–1992
Kure, JP21988–2000
Hiroshima, JP11998
Yono, JP11992
Ebina, JP11984