Inventor

Takashi Ikuta

Inventor
Selangor, MY

Overview

4→
Patents
1987–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps38%
F21SNon-portable lighting devices13%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
H10HInorganic light-emitting semiconductor devices having potential barriers13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to JAPAN RES DEV CORP (1)· patent assignee history
1987Based in Ibaraki, JP· patent location history
2006Patents assigned to TAKANORI KOSHIKAWA (1)· patent assignee history
2006Based in Osaka, JP· patent location history
2018Patents assigned to UNIV NAGOYA NAT UNIV CORP (1)· patent assignee history
2018Based in Neyagawa, JP· patent location history
2020Patents assigned to SONY CORP (1)· patent assignee history
2020Based in Selangor, MY· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN RES DEV CORP11987
SONY CORP12020
TAKANORI KOSHIKAWA12006
UNIV NAGOYA NAT UNIV CORP12018
Locations
LocationPatentsSpan
Selangor, MY12020
Neyagawa, JP12018
Osaka, JP12006
Ibaraki, JP11987