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Inventor

Takao Kitamura

Inventor
Nobeoka, JP

Overview

7→
Patents
1976–2009
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds15%
H01HElectric switches15%
A61KPreparations for medical, dental or toiletry purposes8%
A61QSpecific use of cosmetics or similar toiletry preparations8%
B01DSeparation8%
B22FWorking metallic powder8%
C01CAmmonia8%
C02FTreatment of water, waste water, sewage, or sludge8%
C22CAlloys8%
C30BSingle-crystal growth8%
PatentTitleYear
7,488,841'Composition containing acyl group'20095,013,523'Metal-based composite material and process for preparation thereof'19914,925,641'Process for preparing aluminum borate whiskers'19904,788,387'Limit switch with curved or partly spherical convex cover'19884,766,258'Process for producing hydrocarbon fluoride'19884,119,823'Electrical switch'19783,949,061'Process for oxidizing hydrocyanic acid to cyanogen'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to ASAHI CHEMICAL IND (2)· patent assignee history
1976–2009Based in Nobeoka, JP· patent location history
1978–1988Patents assigned to OMRON TATEISI ELECTRONICS CO (2)· patent assignee history
1978–1988Based in Kurayoshi, JP· patent location history
1988Based in Miyazaki, JP· patent location history
1990–1991Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history
1990–1991Patents assigned to SHIKOKU CHEM (2)· patent assignee history
1990–1991Based in Takamatsu, JP· patent location history
2009Patents assigned to ASAHI KASEI CHEMICALS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGENCY IND SCIENCE TECHN21990–1991
ASAHI CHEMICAL IND21976–1988
OMRON TATEISI ELECTRONICS CO21978–1988
SHIKOKU CHEM21990–1991
ASAHI KASEI CHEMICALS CORP12009
Locations
LocationPatentsSpan
Nobeoka, JP21976–2009
Takamatsu, JP21990–1991
Kurayoshi, JP21978–1988
Miyazaki, JP11988