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Inventor

Hirohito Ito

Inventor
Utsunomiya, JP

Overview

25→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 25 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices21%
G02BOptical elements, systems or apparatus10%
H01TSpark gaps10%
B82YSpecific uses or applications of nanostructures8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
H01JElectric discharge tubes or discharge lamps6%
B41MPrinting, duplicating, marking, or copying processes4%
B44CProducing decorative effects4%
C04BLime, magnesia4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,018,507Detection apparatus, power conditioner, detection method, and computer readable medium20218,981,321'Charged-particle beam exposure apparatus and method of manufacturing article'20158,829,461'Scanning apparatus, drawing apparatus, and method of manufacturing article'20148,625,077'Positioning apparatus, exposure apparatus, and device manufacturing method'20148,618,516'Charged-particle beam exposure apparatus and method of manufacturing article'20138,562,323'Imprint apparatus and method for producing article'20137,771,065'Optical unit and exposure apparatus having the same'20107,738,232'Alignment apparatus'20107,710,626'Optical element driving apparatus'20107,615,915'Spark plug'20097,530,795'Fluid control mechanism'20097,453,623'Reflecting mirror and exposure apparatus using the same'20087,444,817'Optical micromotor, micropump using same and microvalve using same'20087,443,619'Optical element holding apparatus, exposure apparatus and device manufacturing method'20087,352,121'Spark plug'20086,688,932'Method for manufacturing spark plug and caulking metallic mold'20046,559,579'Alumina-based sintered body insulator for spark plugs'20036,359,679'Positioning device, exposure device, and device manufacturing method'20026,265,816'Spark plug, insulator for spark plug and process for fabricating the insulator'20016,214,150'Method of transfer printing a ceramic spark plug insulator'20016,028,376'Positioning apparatus and exposure apparatus using the same'20006,008,882'Stage device, method of controlling same, and exposure apparatus using said stage device'19995,976,674'Transfer sheet, a method of transferring a figuration therefrom and a ceramic product on which the figuration is printed'19995,939,852'Stage feeding device'19994,658,647'Accelerometer'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to JAPAN AVIATION ELECTRON (1)· patent assignee history
1999–2015Patents assigned to CANON KK (16)· patent assignee history
1999–2009Patents assigned to NGK SPARK PLUG CO (7)· patent assignee history
1999–2015Based in Funabashi, JP· patent location history
1999–2001Based in Nagoya, JP· patent location history
2008–2014Based in Utsunomiya, JP· patent location history
2008–2010Based in Tochigi, JP· patent location history
2008–2009Based in Kounan, JP· patent location history
2013–2014Patents assigned to ITO HIROHITO (3)· patent assignee history
2021Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK161999–2015
NGK SPARK PLUG CO71999–2009
ITO HIROHITOself32013–2014
FUJI ELECTRIC CO LTD12021
JAPAN AVIATION ELECTRON11987
Locations
LocationPatentsSpan
Utsunomiya, JP72008–2014
Funabashi, JP61999–2015
Tochigi, JP32008–2010
Nagoya, JP31999–2001
Kounan, JP22008–2009