Inventor

Masakazu Yamagishi

Inventor
Saitama, JP

Overview

3→
Patents
1991–2021
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.

G02Bprimary
G02BOptical elements, systems or apparatus33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1991Based in Gunma, JP· patent location history
2021Patents assigned to CANON KK (2)· patent assignee history
2021Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK22021
SANYO ELECTRIC CO11991
Locations
LocationPatentsSpan
Saitama, JP22021
Gunma, JP11991