Inventor

Seizi Okunomiya

Inventor
Katsuta, JP

Overview

2→
Patents
1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B41Jprimary
B41JTypewriters100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to HITACHI LTD (2)· patent assignee history
1990Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21990
Locations
LocationPatentsSpan
Katsuta, JP21990