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Inventor

Tadashi Ohsone

Inventor
Yokohama, JP

Overview

4→
Patents
1990–1993
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing57%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests43%
PatentTitleYear
5,261,065'Input/output processing method in a database management system'19935,239,644'Data preloading method and system for using a buffer'19934,967,341'Method and apparatus for processing data base'19904,916,655'Method and apparatus for retrieval of a search string'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to HITACHI LTD (4)· patent assignee history
1990–1993Based in Yokohama, JP· patent location history
1993Patents assigned to HITACHI MICROCUMPUTER ENG (1)· patent assignee history
1993Patents assigned to HITACHI SOFTWARE ENG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41990–1993
HITACHI MICROCUMPUTER ENG11993
HITACHI SOFTWARE ENG11993
Locations
LocationPatentsSpan
Yokohama, JP41990–1993