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Inventor

Koji Kumada

Inventor
Tokyo, JP

Overview

2→
Patents
1994–2005
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.

B82Yprimary
B82YSpecific uses or applications of nanostructures33%
G09GArrangements or circuits for control of indicating devices using static means to present variable information33%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light33%
PatentTitleYear
6,912,236'Semiconductor laser device having lower threshold current'20055,300,945'Dual oscillating drive circuit for a display apparatus having improved pixel off-state operation'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to SHARP KK (1)· patent assignee history
1994Based in Tenri, JP· patent location history
2005Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
2005Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUKAWA ELECTRIC CO LTD12005
SHARP KK11994
Locations
LocationPatentsSpan
Tokyo, JP12005
Tenri, JP11994