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Inventor

Yoshikazu Asai

Inventor
Yokohama, JP

Overview

9→
Patents
1996–2018
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them22%
G11BInformation storage based on relative movement between record carrier and transducer17%
H04NPictorial communication, e.g. television17%
B60WConjoint control of vehicle sub-units of different type or different function6%
F16HGearing6%
G05GControl devices or systems insofar as characterised by mechanical features only6%
G21BFusion reactors6%
H01HElectric switches6%
H01LSemiconductor devices6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
PatentTitleYear
10,012,889Electronic apparatus having seal construction at matching section of external members20189,291,881'Imaging apparatus'20169,253,378'Rotary operation unit capable of reducing operation sounds and electronic apparatus having the same'20168,428,455'Image pickup unit and image pickup apparatus'20138,004,937'Optical pickup and optical disk apparatus'20117,804,745'Optical pickup and optical disk device'20107,764,576'Optical information recording and reproducing apparatus'20105,835,519'Laser thermal plasma method'19985,588,515'Method of and apparatus for speed change control'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to KOMATSU MFG CO LTD (1)· patent assignee history
1998Patents assigned to NAT RES INST METALS (1)· patent assignee history
1998Based in Ibaraki, JP· patent location history
2010–2018Patents assigned to CANON KK (7)· patent assignee history
2010Based in Kawasaki, JP· patent location history
2011Based in Tokyo, JP· patent location history
2013–2016Patents assigned to ASAI YOSHIKAZU (2)· patent assignee history
2013Patents assigned to SAKAI MASANORI (1)· patent assignee history
2013–2016Based in Yokohama, JP· patent location history
2018Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK72010–2018
ASAI YOSHIKAZUself22013–2016
KOMATSU MFG CO LTD11996
NAT RES INST METALS11998
SAKAI MASANORI12013
Locations
LocationPatentsSpan
Yokohama, JP32013–2016
Kawasaki, JP22010
Chigasaki, JP12018
Tokyo, JP12011
Ibaraki, JP11998