Inventor

Tomoki Hasegawa

Inventor

Utsunomiya, JP

Overview

2009–2020

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus50%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them29%

G03GElectrography21%

PatentTitleYear

10,641,985Lens barrel and optical apparatus2020 10,591,698Lens barrel and optical apparatus2020 10,585,364Electrophotographic photoreceptor, method for producing the same, and electrophotographic device including the same2020 10,551,754Method of producing an electrophotographic photoreceptor2020 9,846,293Lens barrel, optical apparatus, and method of manufacturing the lens barrel2017 9,703,215'Electrophotographic photoreceptor, method of producing same, and electrophotographic apparatus'2017 8,582,205'Lens barrel and optical apparatus including the same'2013 8,465,218'Aperture unit and lens barrel including the same'2013 8,142,085'Aperture unit and lens barrel including the same'2012 7,800,850'Lens driving device, lens barrel, optical apparatus, and method for assembling lens driving device'2010 7,551,369'Lens barrel and optical apparatus'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2020Patents assigned to CANON KK (7)· patent assignee history

2009–2020Based in Utsunomiya, JP· patent location history

2012–2013Patents assigned to HASEGAWA TOMOKI (3)· patent assignee history

2017–2020Patents assigned to FUJI ELECTRIC CO LTD (3)· patent assignee history

2017Based in Hino, JP· patent location history

2020Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	7	2009–2020
FUJI ELECTRIC CO LTD	3	2017–2020
HASEGAWA TOMOKIself	3	2012–2013

Locations

Location	Patents	Span
Utsunomiya, JP	8	2009–2020
Hachioji, JP	2	2020
Hino, JP	1	2017