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Inventor

Tsuneo Watanabe

Inventor
Yokohama, JP

Overview

37→
Patents
1984–2020
Patent span
Physics
Primary field (CPC G)

Patents· 37 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
H01FMagnets7%
G05BControl or regulating systems in general5%
H02NElectric machines not otherwise provided for5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
G01DMeasuring not specially adapted for a specific variable3%
H01LSemiconductor devices3%
H02JElectric power networks3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
PatentTitleYear
10,649,448Plant monitoring apparatus202010,378,762Equipment safety management device, equipment safety management method, and natural gas liquefaction device20199,741,230'Plant monitoring system, plant monitoring method, and program storage medium'20179,085,027'Method of manufacturing a tubular member'20158,902,018'Method for controlling inter-component phase difference soliton and inter-component phase difference soliton circuit device'20147,853,365'Optimal load distributing system'20107,680,627'Plant operation data monitoring apparatus'20107,663,810'Lens barrel and method for manufacturing the same'20107,522,078'Method of generation and method of detection of interband phase difference solition and interband phase difference circuit'20097,495,880'Circuit board and electric device having circuit board'20097,400,282'Quantum turing machine'20087,111,910'Rim having a non-uniform thickness'20066,791,770'Lens barrel'20046,748,166'Lens-barrel and camera system having the lens-barrel'20046,094,538'Autofocus lens barrel'20006,016,405'Camera system for reducing the influence of vibration generated by actuators'20005,900,992'Collapsible lens barrel'19995,751,502'Lens barrel with built-in ultrasonic motor'19985,663,842'Surface wave motor built-in lens barrel'19975,625,247'Vibration driven motor'19975,572,373'Photographing lens switchable between manual-focus and auto-focus modes'19965,572,179'Thin film transformer'19965,552,847'Lens barrel'19965,539,583'Lens barrel with rotation amount detecting encoder and asssembling method thereof'19965,530,596'Lens barrel for an automatic focusing system'19965,479,335'Regulated DC voltage power supply'19955,446,331'Ultrasonic wave motor'19955,420,558'Thin film transformer'19955,355,301'One-chip type switching power supply device'19945,293,208'Camera and printing apparatus which can be used for trimming shots'19945,266,989'Camera which can be used for trimming shots'19935,231,444'Camera system including rear conversion lens'19935,227,829'Photographing lens switchable between manual focus and auto focus modes'19935,204,577'Ultrasonic motor improved in driving efficiency'19934,974,001'Diaphragm device'19904,965,503'Positional information generating apparatus and code means therefor'19904,472,649'Brushless rotary machine'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2019Based in Yokohama, JP· patent location history
1990–2010Patents assigned to NIKON CORP (20)· patent assignee history
1994–1996Patents assigned to FUJI ELECTRIC CO LTD (4)· patent assignee history
1994–1997Based in Kawasaki, JP· patent location history
1996–2017Based in Tokyo, JP· patent location history
2006–2015Patents assigned to TOPY IND (2)· patent assignee history
2006–2015Based in Ayase, JP· patent location history
2008–2014Patents assigned to NAT INST OF ADVANCED IND SCIEN (3)· patent assignee history
2010–2020Patents assigned to TOSHIBA KK (4)· patent assignee history
2010–2020Based in Inagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP201990–2010
FUJI ELECTRIC CO LTD41994–1996
TOSHIBA KK42010–2020
NAT INST OF ADVANCED IND SCIEN32008–2014
TOPY IND22006–2015
Locations
LocationPatentsSpan
Yokohama, JP101984–2019
Tokyo, JP101996–2017
Kawasaki, JP61994–1997
Inagi, JP32010–2020
Ayase, JP22006–2015