Inventor

TAKAHIRO TSUJI

Inventor
JP

Overview

12→
Patents
2021–2025
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
F21SNon-portable lighting devices9%
F21VFunctional features or details of lighting devices or systems thereof9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08LCompositions of macromolecular compounds7%
B60WConjoint control of vehicle sub-units of different type or different function5%
B62DMotor vehicles5%
H01LSemiconductor devices5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to KEIWA INC (5)· patent assignee history
2021–2025Based in JP· patent location history
2022–2025Patents assigned to ASAHI CHEMICAL IND (3)· patent assignee history
2022–2024Patents assigned to SEMICONDUCTOR ENERGY LAB (2)· patent assignee history
2024–2025Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KEIWA INC52021–2025
ASAHI CHEMICAL IND32022–2025
SEMICONDUCTOR ENERGY LAB22022–2024
TOYOTA MOTOR CO LTD22024–2025
Locations
LocationPatentsSpan
JP122021–2025