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Inventor

Shiro Ishihara

Inventor
Tokyo, JP

Overview

2→
Patents
2019–2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G03Gprimary
G03GElectrography50%
LOC2250%
PatentTitleYear
10,915,056Drum cartridge and method for manufacturing drum cartridge2021D0841115Roller purse ring2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to FISCO JAPAN CO LTD (1)· patent assignee history
2019Patents assigned to KOREA TRADING & IND CO LTD (1)· patent assignee history
2019Patents assigned to NICHIMO KK (1)· patent assignee history
2019Based in Kobe, JP· patent location history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK12021
FISCO JAPAN CO LTD12019
KOREA TRADING & IND CO LTD12019
NICHIMO KK12019
Locations
LocationPatentsSpan
Tokyo, JP12021
Kobe, JP12019