Inventor

Aya Yamanaka

Inventor
Tokyo, JP

Overview

4→
Patents
1999–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers38%
B41JTypewriters25%
G01BMeasuring length, thickness or similar linear dimensions13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
G06TImage data processing or generation, in general13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2000Patents assigned to OKI ELECTRIC IND CO LTD (3)· patent assignee history
1999–2000Based in Tokyo, JP· patent location history
2021Patents assigned to AISIN SEIKI (1)· patent assignee history
2021Patents assigned to KYOWA IND CO LTD (1)· patent assignee history
2021Patents assigned to NATIONAL UNIV CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (1)· patent assignee history
2021Patents assigned to TORAY INDUSTRIES (1)· patent assignee history
2021Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI ELECTRIC IND CO LTD31999–2000
AISIN SEIKI12021
KYOWA IND CO LTD12021
NATIONAL UNIV CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM12021
TORAY INDUSTRIES12021
Locations
LocationPatentsSpan
Tokyo, JP31999–2000
Aichi, JP12021