Inventor

Yoshihiko Nakahara

Inventor

Tokyo, JP

Overview

7→

Patents

1980–1995

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Kprimary

G06KGraphical data reading21%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling11%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

G11BInformation storage based on relative movement between record carrier and transducer11%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%

B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels5%

B41MPrinting, duplicating, marking, or copying processes5%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%

G07FCoin-freed or like apparatus5%

PatentTitleYear

5,439,755'Magnetic recording medium comprising a magnetic recording layer, an intermediate layer, a metallic thermal recording layer and a protective layer'1995 5,294,587'Thermal recording medium'1994 5,160,833'Magnetic recording medium having authenticating poles at its edge'1992 5,113,062'Magnetic card having thermal recording layer and arrangement of magnetic bars for recording security information'1992 4,682,017'Shock-resistant integrated circuit card'1987 4,321,816'Metal tube and apparatus and method for manufacturing the same'1982 4,200,051'Collapsible tube and method of manufacture'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1995Patents assigned to KYODO PRINTING CO LTD (7)· patent assignee history

1980Patents assigned to LION HAMIGAKI KK (1)· patent assignee history

1980Based in Hino, JP· patent location history

1982Based in Abiko, JP· patent location history

1987–1995Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYODO PRINTING CO LTD	7	1980–1995
LION HAMIGAKI KK	1	1980

Locations

Location	Patents	Span
Tokyo, JP	5	1987–1995
Abiko, JP	1	1982
Hino, JP	1	1980