Inventor

Keiji Segawa

Inventor
Sagamihara, JP

Overview

7→
Patents
1978–2002
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer43%
Y10TTechnical subjects covered by former us classification21%
C30BSingle-crystal growth14%
B24BMachines, devices, or processes for grinding or polishing7%
H01CResistors7%
H05KPrinted circuits7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2002Patents assigned to VICTOR COMPANY OF JAPAN (7)· patent assignee history
1978–1983Based in Yokohama, JP· patent location history
1983Based in Yamato, JP· patent location history
1984–2002Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VICTOR COMPANY OF JAPAN71978–2002
Locations
LocationPatentsSpan
Sagamihara, JP41984–2002
Yokohama, JP21978–1983
Yamato, JP11983