Inventor

Makoto Takei

Inventor

Osaka, JP

Overview

1990–1997

Patent span

Physics

Primary field (CPC G)

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

G09Gprimary

G09GArrangements or circuits for control of indicating devices using static means to present variable information40%

B22FWorking metallic powder10%

B30BPresses in general10%

C04BLime, magnesia10%

H01JElectric discharge tubes or discharge lamps10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to OOWADA CARBON KOGYO KK (2)· patent assignee history

1990–1994Based in Nishinomiya, JP· patent location history

1995–1997Patents assigned to MATSUSHITA ELECTRONICS CORP (4)· patent assignee history

1995Based in Takatsuki, JP· patent location history

1996–1997Patents assigned to JAPAN BROADCASTING CORP (3)· patent assignee history

1996–1997Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRONICS CORP	4	1995–1997
JAPAN BROADCASTING CORP	3	1996–1997
OOWADA CARBON KOGYO KK	2	1990–1994

Locations