LexDanaLexDanabeta
Inventor

Seiji Hamaie

Inventor
Kawasaki, JP

Overview

19→
Patents
2002–2014
Patent span
Physics
Primary field (CPC G)

Patents· 19 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 transducer95%
G08BSignalling systems, e.g. personal calling systems5%
PatentTitleYear
8,752,077'Optical disc apparatus'20148,640,151'Optical disk apparatus'20148,589,960'Optical disc drive'20138,499,315'Grounding structure for optical disc drive'20138,495,668'Spindle motor attachment structure for a disc drive apparatus'20138,464,282'Optical disc apparatus with mechanical chassis having a recess'20138,424,029'Optical disc device'20138,375,403'Optical disc device'20138,359,607'Optical disc drive'20138,332,879'Optical disk drive'20128,245,248'Optical disk apparatus having guide shaft adjusting mechanism'20128,234,666'Optical disc apparatus'20128,132,192'Optical disk apparatus'20128,104,050'Optical disk apparatus having brake pad located near to front end of chassis block'20127,610,593'Thin structured slot-in type optical disk apparatus'20097,526,779'Optical disk apparatus'20097,380,253'Disk drive apparatus'20086,590,849'Disk drive apparatus'20036,496,464'Disk drive apparatus'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Based in Hitachinaka, JP· patent location history
2008–2014Patents assigned to HITACHI LG DATA STORAGE INC (17)· patent assignee history
2008–2014Based in Kawasaki, JP· patent location history
2009Based in Ebina, JP· patent location history
2009Based in Kuala Lumpur, MY· patent location history
2012–2014Patents assigned to HAMAIE SEIJI (14)· patent assignee history
2012–2014Patents assigned to MATSUMOTO KOJI (7)· patent assignee history
2012–2013Patents assigned to ASANO SHINYA (6)· patent assignee history
2012–2013Patents assigned to HARADA NOZOMU (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LG DATA STORAGE INC172008–2014
HAMAIE SEIJIself142012–2014
MATSUMOTO KOJI72012–2014
ASANO SHINYA62012–2013
HARADA NOZOMU62012–2013
Locations
LocationPatentsSpan
Kawasaki, JP152008–2014
Hitachinaka, JP22002–2003
Ebina, JP12009
Kuala Lumpur, MY12009