Inventor

Seigi Kawarai

Inventor

Ashiya, JP

Overview

1986–2015

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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 transducer38%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Y10TTechnical subjects covered by former us classification23%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

B82YSpecific uses or applications of nanostructures3%

C08JWorking-up3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

C22CAlloys3%

H01FMagnets3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–2015Patents assigned to HITACHI MAXELL (16)· patent assignee history

1986–2015Based in Ashiya, JP· patent location history

1988–2003Based in Hyogo, JP· patent location history

1990Based in Ashiya-shi, JP· patent location history

2007–2009Based in Ibaraki, JP· patent location history

2010Based in Osaka, JP· patent location history

2015Patents assigned to KAWARAI SEIGI (1)· patent assignee history

2015Patents assigned to KITO KATSUYUKI (1)· patent assignee history

2015Patents assigned to NAKAYAMA MASARU (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations