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Inventor

Keiichirou Watanabe

Inventor
Osaka, JP

Overview

4→
Patents
1987–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Cprimary
A61CDentistry12%
A61FFilters implantable into blood vessels12%
A61LMethods or apparatus for sterilising materials or objects in general12%
C07CAcyclic or carbocyclic compounds12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
C23CCoating metallic material12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
A61KPreparations for medical, dental or toiletry purposes6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B22FWorking metallic powder6%
PatentTitleYear
10,029,981Process for producing perfluoropolyoxyalkylene peroxide compound20189,944,595Process for producing perfluoropolyoxyalkylene peroxide compound20184,818,559'Method for producing endosseous implants'19894,687,675'Method for the production of endosseous implants'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
1987–1989Based in Toyonaka, JP· patent location history
2018Patents assigned to DAIKIN IND LTD (2)· patent assignee history
2018Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD22018
SUMITOMO CHEMICAL CO21987–1989
Locations
LocationPatentsSpan
Osaka, JP22018
Toyonaka, JP21987–1989