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Inventor

KOICHI ARAI

Inventor
JP

Overview

4→
Patents
2021–2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B23Bprimary
B23BTurning25%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for13%
B01DSeparation13%
H01LSemiconductor devices13%
H10DInorganic electric semiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
12,285,810Drill for carbon-fiber composite material202511,631,764Manufacturing method of semiconductor device and semiconductor device202311,364,555Drill202211,207,617Shearing member and filtration device2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to ARAI MACHINERY CORP (1)· patent assignee history
2021–2025Based in JP· patent location history
2022–2025Patents assigned to BIC TOOL CO LTD (2)· patent assignee history
2023Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BIC TOOL CO LTD22022–2025
ARAI MACHINERY CORP12021
RENESAS ELECTRONICS CORP12023
Locations
LocationPatentsSpan
JP42021–2025