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Inventor

Hirofumi Nakayama

Inventor
Tokyo, JP

Overview

5→
Patents
1991–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

A24Fprimary
A24FSmokers' requisites14%
B24CAbrasive or related blasting with particulate material14%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%
LOC0914%
LOC1314%
PatentTitleYear
9,254,938'Packaging container with opening and closing lid'20168,298,307'Process for producing gel-like abrasive material and gel-like abrasive material'2012D0520466'Rectifier element diode'2006D0468638'Box for packaging'20034,982,316'Polyphase full-wave rectifying circuit'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2006Patents assigned to TOSHIBA KK (2)· patent assignee history
1991Based in Kimitsu, JP· patent location history
2003–2016Based in Tokyo, JP· patent location history
2006Based in Chigasaki, JP· patent location history
2012Patents assigned to FUJI MFG CO LTD (1)· patent assignee history
2012Patents assigned to ISHIBASHI SHOZO (1)· patent assignee history
2012Patents assigned to MASE KEIJI (1)· patent assignee history
2016Patents assigned to JAPAN TOBACCO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK21991–2006
FUJI MFG CO LTD12012
ISHIBASHI SHOZO12012
JAPAN TOBACCO INC12016
MASE KEIJI12012
Locations
LocationPatentsSpan
Tokyo, JP32003–2016
Chigasaki, JP12006
Kimitsu, JP11991