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Inventor

Tsutomu Saitou

Inventor
Tokyo, JP

Overview

14→
Patents
1994–2018
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus28%
F16HGearing17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
G03GElectrography11%
B62DMotor vehicles6%
H01JElectric discharge tubes or discharge lamps6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
9,881,769'Charged particle beam device and charged particle beam device control method'20188,175,432'Method of adjusting optical axis of optical waveguide element, and optical waveguide element'20128,100,229'Oil flow passage arrangement of automatic transmission'20128,090,226'Optical waveguide device and method for suppressing temperature crosstalk of optical waveguide device'20128,069,951'Installation structure of oil cooler of vehicular transmission'20117,856,155'Light modulator and its fabrication method'20107,686,137'Oil separating structure of automatic transmission'20107,260,288'Optical wave guide element, and manufacture therefor'20077,194,150'Optical modulation element module'20076,997,621'Method for fixation of optical fiber in optical device module, and fixation pipe'20066,866,333'Vehicle front body structure'20056,865,006'Optical modulator module'20055,733,699'Developer for developing electrostatic latent image'19985,374,978'Developing method'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to HITACHI METALS LTD (2)· patent assignee history
1994–1998Based in Kumagaya, JP· patent location history
2005–2012Patents assigned to SUMITOMO OSAKA CEMENT CO LTD (7)· patent assignee history
2005–2018Based in Tokyo, JP· patent location history
2010–2012Patents assigned to JATCO LTD (3)· patent assignee history
2010–2012Based in Chiyoda-ku, JP· patent location history
2010Based in Fuji, JP· patent location history
2011–2012Patents assigned to SAITOU TSUTOMU (4)· patent assignee history
2011–2012Based in Kanagawa, JP· patent location history
2012Patents assigned to SUGAMATA TORU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO OSAKA CEMENT CO LTD72005–2012
SAITOU TSUTOMUself42011–2012
JATCO LTD32010–2012
HITACHI METALS LTD21994–1998
SUGAMATA TORU22012
Locations
LocationPatentsSpan
Tokyo, JP52005–2018
Chiyoda-ku, JP32010–2012
Kanagawa, JP22011–2012
Kumagaya, JP21994–1998
Fuji, JP12010