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Inventor

Hirohisa Ota

Inventor
Kawagoe, JP

Overview

17→
Patents
1997–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 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 devices33%
B82YSpecific uses or applications of nanostructures26%
B29CShaping or joining of plastics12%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems2%
C21DModifying the physical structure of ferrous metals2%
C22CAlloys2%
E21BEarth or rock drilling2%
G01QScanning-probe techniques or apparatus2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
PatentTitleYear
11,111,566Low alloy high strength seamless steel pipe for oil country tubular goods202111,092,878Electronic device20218,834,144'Imprinting machine and device manufacturing method'20148,616,874'Pattern transferring apparatus and pattern transferring method'20138,393,885'Processing apparatus'20137,846,346'Processing apparatus and method'20107,815,425'Processing apparatus'20107,815,424'Imprinting machine and device manufacturing method'20107,807,065'Processing method'20107,789,647'Processing apparatus and method'20107,690,912'Pattern transferring mold, pattern transferring apparatus and device manufacturing method using the same'20107,381,272'Processing apparatus'20087,236,231'Exposure apparatus and device manufacturing method'20077,233,383'Exposure apparatus, device manufacturing method, pattern generator and maintenance method to check for pixel deterioration'20077,196,321'Fine pattern forming apparatus and fine pattern inspecting apparatus'20077,180,575'Exposure apparatus and device manufacturing method'20075,614,787'Metal halide lamp having heat dam portion'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Based in Hamamatsu, JP· patent location history
2007–2021Patents assigned to CANON KK (15)· patent assignee history
2007–2014Based in Kawagoe, JP· patent location history
2007–2008Based in Saitama, JP· patent location history
2013–2014Patents assigned to KASUMI KAZUYUKI (3)· patent assignee history
2013–2014Patents assigned to KAWAKAMI EIGO (3)· patent assignee history
2013–2014Patents assigned to NAKAMURA TAKASHI (3)· patent assignee history
2013–2014Patents assigned to OTA HIROHISA (3)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK152007–2021
KASUMI KAZUYUKI32013–2014
KAWAKAMI EIGO32013–2014
NAKAMURA TAKASHI32013–2014
OTA HIROHISAself32013–2014
Locations
LocationPatentsSpan
Kawagoe, JP122007–2014
Tokyo, JP22021
Saitama, JP22007–2008
Hamamatsu, JP11997