LexDanaLexDanabeta
Inventor

Masakazu Tokita

Inventor
Fuji, JP

Overview

3→
Patents
1987–1993
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.

G06Tprimary
G06TImage data processing or generation, in general50%
G06KGraphical data reading25%
G06VImage or video recognition or understanding25%
PatentTitleYear
5,185,812'Optical pattern inspection system'19934,958,374'Method of checking pattern and apparatus therefor'19904,641,252'Electron beam drawing control system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1993Patents assigned to TOSHIBA MACHINE CO LTD (3)· patent assignee history
1987Based in Numazu, JP· patent location history
1990–1993Based in Fuji, JP· patent location history
1993Patents assigned to TOSHIBA KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA MACHINE CO LTD31987–1993
TOSHIBA KK11993
Locations
LocationPatentsSpan
Fuji, JP21990–1993
Numazu, JP11987