LexDanaLexDanabeta
Inventor

Takatoshi Hirata

Inventor
Kanagawa, JP

Overview

3→
Patents
1994–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 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 transducer40%
F02BInternal-combustion piston engines20%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof20%
Y02TClimate change mitigation technologies related to transportation20%
PatentTitleYear
10,920,657Air intake passage structure for engine20215,519,677'Biaxial actuator for driving an objective lens in both focusing and tracking directions'19965,313,334'Objective lens moving actuator'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to SONY CORP (2)· patent assignee history
1994–1996Based in Kanagawa, JP· patent location history
2021Patents assigned to MAZDA MOTOR (1)· patent assignee history
2021Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP21994–1996
MAZDA MOTOR12021
Locations
LocationPatentsSpan
Kanagawa, JP21994–1996
Hiroshima, JP12021