Inventor

Tomoyoshi Sakamoto

Inventor
Abiko, JP

Overview

11→
Patents
1990–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
B29CShaping or joining of plastics13%
B23BTurning7%
B28DWorking stone or stone-like materials7%
B29DProducing particular articles from plastics or from substances in a plastic state7%
B29LIndexing scheme associated with subclass b29c, relating to particular articles7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B23CMilling3%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2018Based in Abiko, JP· patent location history
2004–2009Patents assigned to MITSUBISHI MATERIALS CORP (2)· patent assignee history
2012–2018Patents assigned to SAKAMOTO TOMOYOSHI (6)· patent assignee history
2012–2014Patents assigned to RP TOPLA LTD (5)· patent assignee history
2012–2014Based in Ota, JP· patent location history
2013–2014Patents assigned to KATAGIRI HIROKI (4)· patent assignee history
2013–2014Patents assigned to OJIRO MINORU (4)· patent assignee history
2021Based in Nara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAKAMOTO TOMOYOSHIself62012–2018
RP TOPLA LTD52012–2014
KATAGIRI HIROKI42013–2014
OJIRO MINORU42013–2014
MITSUBISHI MATERIALS CORP22004–2009
Locations
LocationPatentsSpan
Abiko, JP51990–2018
Ota, JP52012–2014
Nara, JP12021