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Inventor

Kenji Hirooka

Inventor
Hachioji, JP

Overview

9→
Patents
1989–2007
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A61Bprimary
A61BDiagnosis75%
G02BOptical elements, systems or apparatus8%
G10KSound-producing devices8%
H01RElectrically-conductive connections8%
PatentTitleYear
7,258,668'Ultrasonic probe for operation under microscope'20077,029,436'Optical probe for producing tomogram of specimen by the use of low-coherence light'20066,641,539'Ultrasonic probe for operation under microscope'20035,125,411'Ultrasound diagnostic apparatus for use in a body cavity'19925,097,838'Ultrasonic endoscope'19925,054,491'Ultrasonic endoscope apparatus'19914,982,724'Endoscope apparatus'19914,957,112'Ultrasonic diagnostic apparatus'19904,867,136'Endoscope apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to OLYMPUS OPTICAL CO (6)· patent assignee history
1989–2007Based in Hachioji, JP· patent location history
1990Based in Tokyo, JP· patent location history
1991Patents assigned to OLYMPUS OPICALS CO (1)· patent assignee history
1991Based in JP· patent location history
2006–2007Patents assigned to OLYMPUS CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO61989–2003
OLYMPUS CORP22006–2007
OLYMPUS OPICALS CO11991
Locations
LocationPatentsSpan
Hachioji, JP71989–2007
JP11991
Tokyo, JP11990