Inventor

Hiroyuki Okubo

Inventor

Yokohama, JP

Overview

1978–2013

Patent span

Performing operations

Primary field (CPC B)

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

B23Dprimary

B23DPlaning20%

Y10TTechnical subjects covered by former us classification20%

D03DWoven fabrics10%

E05BLocks10%

E05CBolts or fastening devices for wings, specially for doors or windows10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

G09FDisplaying10%

H01HElectric switches10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1979Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (2)· patent assignee history

1978–1979Based in Yokohama, JP· patent location history

1992Based in Kanagawa, JP· patent location history

1996Patents assigned to NIPPON FELT CO LTD (1)· patent assignee history

1996Based in Saitama, JP· patent location history

2000Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history

2000Based in Tokyo, JP· patent location history

2013Patents assigned to HORIKIRI TAKUMI (1)· patent assignee history

2013Patents assigned to OKUBO HIROYUKI (1)· patent assignee history

2013Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISHIKAWAJIMA HARIMA HEAVY IND	2	1978–1979
HORIKIRI TAKUMI	1	2013
NIPPON FELT CO LTD	1	1996
OKI ELECTRIC IND CO LTD	1	2000
OKUBO HIROYUKIself	1	2013

Locations