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Inventor

Kazuhiko Tamura

Inventor
Osaka, JP

Overview

5→
Patents
1990–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Bprimary
A61BDiagnosis20%
A61KPreparations for medical, dental or toiletry purposes20%
A61MDevices for introducing media into, or onto, the body20%
C07DHeterocyclic compounds20%
H01QAntennas, i.e. radio aerials20%
PatentTitleYear
6,475,191'Indwelling needle assembly'20025,998,452'Benzene derivatives, compositions and methods for treating ischemic diseases'19995,886,780'Refractometer with deflecting element'19994,987,424'Film antenna apparatus'1991D0308972'Television receiving antenna'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to YAGI ANTENNA (2)· patent assignee history
1990Based in Omiya, JP· patent location history
1991Based in Oomiya, JP· patent location history
1999Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (1)· patent assignee history
1999Patents assigned to TOPCON CORP (1)· patent assignee history
1999Based in Shizuoka, JP· patent location history
1999Based in Tokyo, JP· patent location history
2002Patents assigned to NIPRO CORP (1)· patent assignee history
2002Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAGI ANTENNA21990–1991
CHUGAI PHARMACEUTICAL CO LTD11999
NIPRO CORP12002
TOPCON CORP11999
Locations
LocationPatentsSpan
Osaka, JP12002
Shizuoka, JP11999
Tokyo, JP11999
Oomiya, JP11991
Omiya, JP11990