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Inventor

Kei KOIWAI

Inventor
JP

Overview

2→
Patents
2023
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped33%
B29CShaping or joining of plastics33%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts17%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons17%
PatentTitleYear
11,679,570Prepreg lamination apparatus, method of laminating prepregs and method of molding composite material202311,548,241Fiber width adjustment device, fiber width adjustment method and composite material molding method2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to SUBARU CORP (2)· patent assignee history
2023Patents assigned to FUKUI PREFECTURAL GOVERNMENT (1)· patent assignee history
2023Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUBARU CORP22023
FUKUI PREFECTURAL GOVERNMENT12023
Locations
LocationPatentsSpan
JP22023