Inventor

Takashi Tajiri

Inventor
Saitama, JP

Overview

9→
Patents
1999–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 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 transducer28%
B22FWorking metallic powder17%
B30BPresses in general17%
H01FMagnets17%
H02KDynamo-electric machines11%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H04NPictorial communication, e.g. television6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2006Patents assigned to SONY CORP (5)· patent assignee history
1999–2006Based in Saitama, JP· patent location history
2003Patents assigned to SUMITOMO SPEC METALS (1)· patent assignee history
2003–2009Based in Osaka, JP· patent location history
2008Patents assigned to NEOMAX CO LTD (1)· patent assignee history
2009Patents assigned to HITACHI METALS LTD (1)· patent assignee history
2020Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP51999–2006
HITACHI METALS LTD12009
MITSUBISHI ELECTRIC CORP12020
NEOMAX CO LTD12008
SUMITOMO SPEC METALS12003
Locations
LocationPatentsSpan
Saitama, JP51999–2006
Osaka, JP32003–2009
Tokyo, JP12020