Inventor

Kazuaki Otsuka

Inventor
Kanagawa, JP

Overview

6→
Patents
1994–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1029%
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
H10HInorganic light-emitting semiconductor devices having potential barriers21%
B41JTypewriters7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
H05BElectric heating7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2012Patents assigned to TOSHIBA KK (4)· patent assignee history
1994Based in Yokohama, JP· patent location history
2007Patents assigned to TOSHIBA MATERIALS CO LTD (1)· patent assignee history
2007–2009Based in Yokosuka, JP· patent location history
2010–2012Based in Kanagawa, JP· patent location history
2012Patents assigned to OTSUKA KAZUAKI (1)· patent assignee history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Azumino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK41994–2012
OTSUKA KAZUAKIself12012
SEIKO EPSON CORP12021
TOSHIBA MATERIALS CO LTD12007
Locations
LocationPatentsSpan
Kanagawa, JP22010–2012
Yokosuka, JP22007–2009
Azumino, JP12021
Yokohama, JP11994