Inventor

Tsuneo Hidaka

Inventor
Tokyo, JP

Overview

7→
Patents
1978–2000
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels21%
A61LMethods or apparatus for sterilising materials or objects in general21%
A61CDentistry16%
C04BLime, magnesia16%
C01BNon-metallic elements11%
A61BDiagnosis5%
G02BOptical elements, systems or apparatus5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2000Patents assigned to ASAHI OPTICAL CO LTD (7)· patent assignee history
1978–1980Based in Tsurugashima, JP· patent location history
1984–1996Based in Tokyo, JP· patent location history
2000Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI OPTICAL CO LTD71978–2000
Locations
LocationPatentsSpan
Tokyo, JP31984–1996
Tsurugashima, JP31978–1980
Saitama, JP12000