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Inventor

Toshio Sakiyama

Inventor
Tokyo, JP

Overview

3→
Patents
1992–1993
Patent span
Physics
Primary field (CPC G)

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 transducer50%
B24BMachines, devices, or processes for grinding or polishing25%
C25DProcesses for the electrolytic or electrophoretic production of coatings25%
PatentTitleYear
5,221,459'Method of manufacturing a magnetic disk substrate of titanium'19935,136,819'Method for mirror polishing of ti-made magnetic disk substrate'19925,131,995'Method of manufacturing titanium magnetic disk substrate'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1992Patents assigned to FUKAI HIDEAKI (1)· patent assignee history
1992Patents assigned to MINAKAWA KUNINORI (1)· patent assignee history
1992Patents assigned to SAKIYAMA TOSHIO (1)· patent assignee history
1992Patents assigned to SUENAGA HIROYOSHI (1)· patent assignee history
1992–1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOKAN KK21992–1993
FUKAI HIDEAKI11992
MINAKAWA KUNINORI11992
SAKIYAMA TOSHIOself11992
SUENAGA HIROYOSHI11992
Locations
LocationPatentsSpan
Tokyo, JP31992–1993