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Inventor

Tomoaki Yamashita

Inventor
Tokyo, JP

Overview

9→
Patents
2006–2020
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
A61BDiagnosis38%
F16CShafts23%
B66CCranes8%
F03GSpring, weight, inertia or like motors8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
G01MTesting static or dynamic balance of machines or structures8%
G02BOptical elements, systems or apparatus8%
PatentTitleYear
10,697,854Rolling bearing fatigue state prediction device and rolling bearing fatigue state predicting method202010,323,688Hydro dynamic bearing device20199,944,502Cylinder retraction system, boom device and crawler crane20189,255,604'Hydro dynamic bearing device'20168,425,405'Electronic endoscope apparatus'20138,427,533'Image pickup apparatus, electronic endoscope, and lens unit'20137,556,626'Medical instrument holding apparatus'20097,309,311'Endoscopic observation apparatus and medical device holder'20077,122,032'Operation system and mounting device for external device for use in the operation system'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2009Patents assigned to OLYMPUS CORP (3)· patent assignee history
2006–2009Based in Hachioji, JP· patent location history
2013Patents assigned to KAWAUCHI MASAHIRO (2)· patent assignee history
2013Patents assigned to MITANI TAKAHIKO (2)· patent assignee history
2013Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (2)· patent assignee history
2013–2020Based in Tokyo, JP· patent location history
2016–2019Patents assigned to MITSUBISHI HITACHI POWER SYS (2)· patent assignee history
2018Based in Obu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS CORP32006–2009
KAWAUCHI MASAHIRO22013
MITANI TAKAHIKO22013
MITSUBISHI HITACHI POWER SYS22016–2019
OLYMPUS MEDICAL SYSTEMS CORP22013
Locations
LocationPatentsSpan
Tokyo, JP52013–2020
Hachioji, JP32006–2009
Obu, JP12018