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Inventor

KOJI FUJISAWA

Inventor
JP

Overview

6→
Patents
2022–2026
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus31%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein23%
B60CVehicle tyres15%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
D07BRopes or cables in general8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
PatentTitleYear
12,596,221Display device backlight with laser source and light guide plate having curved surface line sections202612,197,075Backlight and liquid crystal display device202512,025,827Illumination device202411,860,402Illumination device202411,780,266Tire with specified belt layers of 1X4 steel cords202311,433,706Composite and pneumatic tire2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to SUMITOMO RUBBER IND (2)· patent assignee history
2022–2026Based in JP· patent location history
2023Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
2023Patents assigned to SUMITOMO ELECTRIC TOCHIGI CO LTD (1)· patent assignee history
2024–2025Patents assigned to JAPAN DISPLAY INC (3)· patent assignee history
2026Patents assigned to MAGNOLIA WHITE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN DISPLAY INC32024–2025
SUMITOMO RUBBER IND22022–2023
MAGNOLIA WHITE CORP12026
SUMITOMO ELECTRIC INDUSTRIES12023
SUMITOMO ELECTRIC TOCHIGI CO LTD12023
Locations
LocationPatentsSpan
JP62022–2026