Inventor
Kentaro Tone
Inventor
Tokyo, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence15%
F21SNon-portable lighting devices15%
F21VFunctional features or details of lighting devices or systems thereof15%
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 emitted15%
C30BSingle-crystal growth8%
G02BOptical elements, systems or apparatus8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2021Patents assigned to KOHA CO LTD (2)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
2021Patents assigned to TAMURA SEISAKUSHO KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOHA CO LTD | 2 | 2015–2021 |
| TAMURA SEISAKUSHO KK | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 2015–2021 |