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Inventor

Toshio Marui

Inventor
Akita, JP

Overview

3→
Patents
1980–1997
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
B41MPrinting, duplicating, marking, or copying processes14%
B44CProducing decorative effects14%
C04BLime, magnesia14%
H01CResistors14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
5,635,436'Voltage-dependent nonlinear resistor ceramics'19974,946,720'Containers for filthy matter'19904,231,829'Process of transfer printing'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1990Patents assigned to NIPPON SYNTHETIC CHEM IND (2)· patent assignee history
1980Based in Ibaraki, JP· patent location history
1990Patents assigned to NICHIGO FILM KK (1)· patent assignee history
1990Based in Ogaki, JP· patent location history
1997Patents assigned to TDK CORP (1)· patent assignee history
1997Based in Akita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SYNTHETIC CHEM IND21980–1990
NICHIGO FILM KK11990
TDK CORP11997
Locations
LocationPatentsSpan
Akita, JP11997
Ogaki, JP11990
Ibaraki, JP11980