LexDanaLexDanabeta
Inventor

TAKAHIRO TOTANI

Inventor
JP

Overview

2→
Patents
2021–2023
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus33%
F21VFunctional features or details of lighting devices or systems thereof17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
H04NPictorial communication, e.g. television17%
H05KPrinted circuits17%
PatentTitleYear
11,570,394Virtual image display apparatus and video device unit manufacturing method202311,163,162Light control shade for transmissive display apparatus2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
2021–2023Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP22021–2023
Locations
LocationPatentsSpan
JP22021–2023