LexDanaLexDanabeta
Inventor

Yosuke Ishizuka

Inventor
Kawasaki, JP

Overview

8→
Patents
2010–2015
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer56%
F16CShafts22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%
PatentTitleYear
9,225,139'Discharge-pumped gas laser device'20159,059,554'Discharge-pumped gas laser device'20158,789,074'Optical disc apparatus'20148,549,549'Optical disk device having an air flow shielding portion'20138,332,879'Optical disk drive'20128,181,190'Optical disc apparatus'20127,877,761'Optical disc apparatus'20117,725,908'Optical disk apparatus'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2013Patents assigned to HITACHI LG DATA STORAGE INC (5)· patent assignee history
2010–2014Based in Kawasaki, JP· patent location history
2012–2013Patents assigned to ISHIZUKA YOSUKE (3)· patent assignee history
2012–2013Patents assigned to MATSUMOTO KOJI (3)· patent assignee history
2012Patents assigned to HAMAIE SEIJI (1)· patent assignee history
2015Patents assigned to GIGAPHOTON INC (2)· patent assignee history
2015Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LG DATA STORAGE INC52010–2013
ISHIZUKA YOSUKEself32012–2013
MATSUMOTO KOJI32012–2013
GIGAPHOTON INC22015
HAMAIE SEIJI12012
Locations
LocationPatentsSpan
Kawasaki, JP62010–2014
Tochigi, JP22015