Inventor

Yoshihisa Nagasaki

Inventor

Osaka, JP

Overview

3→

Patents

2008–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 3 as inventor

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

F21Yprimary

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 emitted12%

G02BOptical elements, systems or apparatus12%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light12%

H10HInorganic light-emitting semiconductor devices having potential barriers12%

B41JTypewriters6%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

C30BSingle-crystal growth6%

F21KNon-electric light sources using luminescence6%

F21SNon-portable lighting devices6%

PatentTitleYear

11,130,909Wavelength conversion member, light source, illumination device, and method for manufacturing wavelength conversion member2021 11,105,482Light source device, projector, and vehicle2021 7,420,579'Printer'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to CITIZEN HOLDINGS CO LTD (1)· patent assignee history

2008Based in Tachikawa, JP· patent location history

2021Patents assigned to PANASONIC IP MAN CO LTD (2)· patent assignee history

2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC IP MAN CO LTD	2	2021
CITIZEN HOLDINGS CO LTD	1	2008

Locations

Location	Patents	Span
Osaka, JP	2	2021
Tachikawa, JP	1	2008