Inventor

Hiroshi Ikuta

Inventor
Chiba, JP

Overview

14→
Patents
1976–2017
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 transducer18%
C08JWorking-up12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
H02KDynamo-electric machines9%
F16FSprings6%
A61KPreparations for medical, dental or toiletry purposes3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
B29CShaping or joining of plastics3%
B60NSeats specially adapted for vehicles3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to NIPPON DENSO CO (3)· patent assignee history
1976Based in Nagoya, JP· patent location history
1984–1985Based in Okazaki, JP· patent location history
1999–2017Patents assigned to SONY CORP (6)· patent assignee history
1999–2017Based in Chiba, JP· patent location history
1999–2011Based in Amagasaki, JP· patent location history
2009–2011Patents assigned to BAYER MATERIALSCIENCE AG (3)· patent assignee history
2011–2013Patents assigned to IKUTA HIROSHI (2)· patent assignee history
2011Patents assigned to IDO HIROAKI (1)· patent assignee history
2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP61999–2017
BAYER MATERIALSCIENCE AG32009–2011
NIPPON DENSO CO31976–1985
IKUTA HIROSHIself22011–2013
IDO HIROAKI12011
Locations
LocationPatentsSpan
Chiba, JP61999–2017
Amagasaki, JP41999–2011
Okazaki, JP21984–1985
Tokyo, JP12013
Nagoya, JP11976