Inventor

Tatsuya Igawa

Inventor

Kanagawa, JP

Overview

5→

Patents

1985–1992

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B41Cprimary

B41CProcesses for the manufacture or reproduction of printing surfaces30%

G09FDisplaying20%

Y10TTechnical subjects covered by former us classification20%

B41NPrinting plates or foils10%

B43LArticles for writing or drawing upon10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

PatentTitleYear

5,151,032'Magnetophoretic display panel'1992 4,750,003'Magnetic display unit'1988 4,597,829'Stencil, stencil material kit and stencil duplicator kit containing the same'1986 4,569,283'Stencil material set and stencil duplicator set'1986 4,550,660'Stencil'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to PILOT MAN NEN HISU KABUSHIKI K (1)· patent assignee history

1985–1992Based in Kanagawa, JP· patent location history

1986–1988Patents assigned to PILOT PEN CO LTD (3)· patent assignee history

1992Patents assigned to PILOT KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PILOT PEN CO LTD	3	1986–1988
PILOT KK	1	1992
PILOT MAN NEN HISU KABUSHIKI K	1	1985

Locations

Location	Patents	Span
Kanagawa, JP	5	1985–1992