Inventor

Satoshi Katagata

Inventor

Tokyo, JP

Overview

11→

Patents

1992–2013

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

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

G03Gprimary

G03GElectrography63%

B61BRailway systems6%

E05DHinges or suspension devices for doors, windows or wings6%

E05FDevices for moving wings into open or closed position6%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof6%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

8,464,470'Railway platform door device'2013 5,692,232'Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device'1997 5,655,178'Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage'1997 5,600,417'Developing device for electrophotographic apparatus'1997 5,537,192'Transfer roller and toner for electrophotographic apparatus'1996 5,488,462'Electrophotographic apparatus having developing device with seals for preventing toner leakage'1996 5,477,306'Detachable process unit for an electrophotographic device'1995 5,465,140'Developing device and image forming apparatus including an agitator having two springs wound in different directions around a rod'1995 5,412,364'Toner pack and development device for use in electrophotographic apparatus'1995 5,175,588'Developing device'1992 5,119,137'Structure and method of mounting recording units in electrophotographic recording apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to TOSHIBA KK (10)· patent assignee history

1992–2013Based in Tokyo, JP· patent location history

1992Based in Hino, JP· patent location history

2013Patents assigned to FURUKAWA MASANORI (1)· patent assignee history

2013Patents assigned to FUSE TAKESHI (1)· patent assignee history

2013Patents assigned to HIGASHI NIPPON RYOKAKU TETSUDO (1)· patent assignee history

2013Patents assigned to IWASAKI KOTA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	10	1992–1997
FURUKAWA MASANORI	1	2013
FUSE TAKESHI	1	2013
HIGASHI NIPPON RYOKAKU TETSUDO	1	2013
IWASAKI KOTA	1	2013

Locations

Location	Patents	Span
Tokyo, JP	10	1992–2013
Hino, JP	1	1992