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Inventor

Naohisa Yahagi

Inventor
Tokyo, JP

Overview

7→
Patents
2005–2021
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.

A61Bprimary
A61BDiagnosis60%
A61LMethods or apparatus for sterilising materials or objects in general20%
A61KPreparations for medical, dental or toiletry purposes10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
PatentTitleYear
10,933,171Collagen sol for submucosal local injection20219,724,448'Materials for gastrointestinal obstruction prevention'20179,301,800'Endoscopic treatment tool'20169,033,978'High-frequency treatment instrument'20158,226,544'Endoscope treatment tool'20128,187,271'Endoscopic instrument'20126,949,099'Incising device for use with an endoscope'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2016Patents assigned to OLYMPUS CORP (2)· patent assignee history
2005–2021Based in Tokyo, JP· patent location history
2012–2016Patents assigned to YAHAGI NAOHISA (4)· patent assignee history
2012–2015Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (3)· patent assignee history
2012–2015Patents assigned to MUYARI YUTA (2)· patent assignee history
2012–2015Patents assigned to NAKAMURA TSUTOMU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAHAGI NAOHISAself42012–2016
OLYMPUS MEDICAL SYSTEMS CORP32012–2015
MUYARI YUTA22012–2015
NAKAMURA TSUTOMU22012–2015
OLYMPUS CORP22005–2016
Locations
LocationPatentsSpan
Tokyo, JP72005–2021