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Inventor

HIROYASU KASEYA

Inventor
JP

Overview

3→
Patents
2022–2025
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them33%
G02BOptical elements, systems or apparatus17%
H01LSemiconductor devices17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
PatentTitleYear
12,199,402Light emitting device and projector202511,747,720Light source module and projector202311,239,390Light emitting apparatus, projector, method for manufacturing light emitting apparatus2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
2022–2025Based in JP· patent location history
2025Patents assigned to SOPHIA SCHOOL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP32022–2025
SOPHIA SCHOOL CORP12025
Locations
LocationPatentsSpan
JP32022–2025