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Inventor

Katsutoshi Maruyama

Inventor
Niigata, JP

Overview

2→
Patents
2013–2019
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.

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material25%
G03GElectrography25%
B23PMetal-working not otherwise provided for13%
B24BMachines, devices, or processes for grinding or polishing13%
B24CAbrasive or related blasting with particulate material13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
10,265,754Fixing sleeve and manufacturing method thereof20198,351,835'Tube and method for manufacturing the same'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to ENDO SEISAKUSHO KK (1)· patent assignee history
2013Patents assigned to MARUYAMA KATSUTOSHI (1)· patent assignee history
2013Based in Tsubame, JP· patent location history
2019Patents assigned to K K ENDO SEISAKUSHO (1)· patent assignee history
2019Based in Niigata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENDO SEISAKUSHO KK12013
K K ENDO SEISAKUSHO12019
MARUYAMA KATSUTOSHIself12013
Locations
LocationPatentsSpan
Niigata, JP12019
Tsubame, JP12013