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Inventor

Takajiro Kawakami

Inventor
Sakai, JP

Overview

2→
Patents
1978–2021
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 processes33%
D21HPulp compositions33%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light33%
PatentTitleYear
10,998,695Semiconductor laser device, manufacturing method thereof, and light emitting device20214,085,237'Method and apparatus for manufacturing pressure sensitive copying sheet'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to KANZAKI PAPER MFG CO LTD (1)· patent assignee history
1978Based in Amagasaki, JP· patent location history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KANZAKI PAPER MFG CO LTD11978
SHARP KK12021
Locations
LocationPatentsSpan
Sakai, JP12021
Amagasaki, JP11978