Inventor

Hiroyoshi Sekine

Inventor

Saitama, JP

Overview

4→

Patents

1988–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%

B07CPostal sorting8%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%

C08LCompositions of macromolecular compounds8%

C09KMaterials for miscellaneous applications, not provided for elsewhere8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

G07BTicket-issuing apparatus8%

H01BCables8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

10,710,812Physical distribution system, physical distribution method and program2020 5,204,675'Toll collecting system for a vehicle'1993 4,758,476'Polyimide precursor resin composition and semiconductor device using the same'1988 4,735,492'Liquid crystal orientation controlling film and liquid crystal device using the same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history

1988Based in Hitachi, JP· patent location history

1993–2020Patents assigned to TOSHIBA KK (2)· patent assignee history

1993–2020Based in Saitama, JP· patent location history

2020Patents assigned to TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI CHEMICAL CO LTD	2	1988
TOSHIBA KK	2	1993–2020
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP	1	2020

Locations

Location	Patents	Span
Saitama, JP	2	1993–2020
Hitachi, JP	2	1988