Inventor

Yojiro Nakayama

Inventor

Tokyo, JP

Overview

4→

Patents

1991–1993

Patent span

Human necessities

Primary field (CPC A)

Patents· 4 as inventor

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

A47Kprimary

A47KSanitary equipment18%

E05DHinges or suspension devices for doors, windows or wings18%

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 thereof18%

A47BTables9%

A47CChairs9%

A47GHousehold or table equipment9%

E05FDevices for moving wings into open or closed position9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

5,257,852'Damper device for an automatic folding chair'1993 5,175,891'Device for fixing a toilet seat and a toilet lid'1993 5,109,571'Door hinge with movable and fixed cams'1992 5,011,029'Coat lift hanger'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to SUGATSUNE KOGYO (4)· patent assignee history

1991–1993Based in Tokyo, JP· patent location history

1993Patents assigned to KOTOBUKI CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUGATSUNE KOGYO	4	1991–1993
KOTOBUKI CORP	1	1993

Locations

Location	Patents	Span
Tokyo, JP	4	1991–1993