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Inventor

Eiki Tsutsumi

Inventor
Fukuoka, JP

Overview

2→
Patents
2019–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B22Cprimary
B22CFoundry moulding9%
B22DCasting of metals9%
B82YSpecific uses or applications of nanostructures9%
C01BNon-metallic elements9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
C22BProduction and refining of metals9%
F21VFunctional features or details of lighting devices or systems thereof9%
H05BElectric heating9%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
PatentTitleYear
11,124,703Quantum dot and method of producing the same; and wavelength converting member, lighting member, back light unit, and display device using quantum dot202110,300,525Molten metal filtration device2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to MITSUI MINING & SMELTING CO (1)· patent assignee history
2019–2021Based in Fukuoka, JP· patent location history
2021Patents assigned to NS MAT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI MINING & SMELTING CO12019
NS MAT INC12021
Locations
LocationPatentsSpan
Fukuoka, JP22019–2021