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Inventor

Takao Tagiri

Inventor
Yamanashi, JP

Overview

14→
Patents
1994–2021
Patent span
Physics
Primary field (CPC G)

Patents· 14 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 transducer72%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
G02BOptical elements, systems or apparatus6%
H01PWaveguides6%
H05KPrinted circuits6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
11,018,403Electromagnetic wave transmission cable including a hollow dielectric tube surrounded by a foamed resin member having different expansion ratios at different regions therein20218,879,371'Recording medium'20148,792,319'Recording medium'20147,848,215'Optical recording medium, information recording apparatus and information reproduction apparatus'20107,548,499'Offset amount measuring method and apparatus'20097,260,052'Information recording medium'20077,092,351'Optical recording medium, optical recording medium producing apparatus and optical recording medium producing method'20066,837,072'Rewritable optical recording medium and manufacturing method and apparatus therefor'20056,813,237'Optical recording medium having a plurality of meandering groove tracks, optical recording medium producing apparatus and optical recording medium producing method'20046,687,214'Recording medium and apparatus and method for manufacturing the same'20046,618,350'Rewritable optical recording medium and manufacturing method and apparatus therefor'20035,780,982'Method of and apparatus for controlling rotation number of motor'19985,761,175'Apparatus and method for reproducing information recored on an optical recording medium on which pits with 2.sup.N depths are formed'19985,373,498'Disc-shaped record medium'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to PIONEER ELECTRONIC CORP (3)· patent assignee history
1994–1998Patents assigned to PIONEER VIDEO CORP (2)· patent assignee history
1994–2009Based in Yamanashi, JP· patent location history
2003–2021Patents assigned to PIONEER CORP (11)· patent assignee history
2004–2010Based in Koufu, JP· patent location history
2004–2006Based in Kofu, JP· patent location history
2014Patents assigned to MEMORY TECH HOLDINGS INC (2)· patent assignee history
2014Patents assigned to MEMORY TECH HOLDING INC (1)· patent assignee history
2014Based in Kanagawa, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER CORP112003–2021
PIONEER ELECTRONIC CORP31994–1998
MEMORY TECH HOLDINGS INC22014
PIONEER VIDEO CORP21994–1998
MEMORY TECH HOLDING INC12014
Locations
LocationPatentsSpan
Yamanashi, JP41994–2009
Koufu, JP32004–2010
Kanagawa, JP22014
Kofu, JP22004–2006
Tokyo, JP12021