LexDanaLexDanabeta
Inventor

Tosimasa Ikena

Inventor
Kusatsu, JP

Overview

2→
Patents
1981–1982
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.

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes25%
B41NPrinting plates or foils25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
4,358,474'Method for electric recording'19824,308,314'Electric recording material'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to SEIKISUI CHEMICAL CO LTD (2)· patent assignee history
1981–1982Based in Kusatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKISUI CHEMICAL CO LTD21981–1982
Locations
LocationPatentsSpan
Kusatsu, JP21981–1982