Inventor

Seiji Nakagawa

Inventor
Ryugasaki, JP

Overview

16→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
G11BInformation storage based on relative movement between record carrier and transducer10%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G05BControl or regulating systems in general7%
G06TImage data processing or generation, in general7%
A24BManufacture or preparation of tobacco for smoking or chewing3%
B05DProcesses for applying fluent materials to surfaces, in general3%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%
D21GCalenders3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to IBM (2)· patent assignee history
1999–2011Patents assigned to TOSHIBA KK (6)· patent assignee history
1999Patents assigned to D S TECHNICAL RESEARCH CO LTD (1)· patent assignee history
1999–2004Based in Yokohama, JP· patent location history
2003–2012Based in Kanagawa, JP· patent location history
2008Patents assigned to AIST (1)· patent assignee history
2010–2011Based in Oita, JP· patent location history
2011–2012Patents assigned to NAKAGAWA SEIJI (2)· patent assignee history
2013–2019Based in Ryugasaki, JP· patent location history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK61999–2011
IBM21998–2003
NAKAGAWA SEIJIself22011–2012
AIST12008
D S TECHNICAL RESEARCH CO LTD11999
Locations
LocationPatentsSpan
Ryugasaki, JP22013–2019
Kanagawa, JP22003–2012
Oita, JP22010–2011
Yokohama, JP21999–2004
Tokyo, JP12018