Inventor

Hiroyoshi Suenaga

Inventor

Tokyo, JP

Overview

1983–1995

Patent span

Performing operations

Primary field (CPC B)

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 transducer27%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys12%

Y10TTechnical subjects covered by former us classification12%

B21BRolling of metal8%

B23KSoldering or unsoldering8%

B24BMachines, devices, or processes for grinding or polishing8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B23DPlaning4%

B26DCutting4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1995Patents assigned to NIPPON KOKAN KK (15)· patent assignee history

1983–1987Based in Yokohama, JP· patent location history

1987–1989Patents assigned to NIPPON MINING CO (2)· patent assignee history

1989–1995Based in Tokyo, JP· patent location history

1991Based in Kawasaki, JP· patent location history

1992Patents assigned to FUKAI HIDEAKI (1)· patent assignee history

1992Patents assigned to MINAKAWA KUNINORI (1)· patent assignee history

1995Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations