Inventor

Masuo Ohta

Inventor

Koganei, JP

Overview

1981–2019

Patent span

Mechanical engineering

Primary field (CPC F)

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

A63Hprimary

A63HToys, e.g. tops, dolls, hoops or building blocks8%

B01LChemical or physical laboratory apparatus for general use8%

C10GCracking hydrocarbon oils8%

F16KValves8%

F21LLighting devices or systems thereof, being portable or specially adapted for transportation8%

F21VFunctional features or details of lighting devices or systems thereof8%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems8%

G09FDisplaying8%

G09GArrangements or circuits for control of indicating devices using static means to present variable information8%

H01FMagnets8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history

1981Based in Yokohama, JP· patent location history

1995–2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history

1995Based in Katano, JP· patent location history

2000Based in Moriguchi, JP· patent location history

2019Patents assigned to KOGANEI LTD (1)· patent assignee history

2019Based in Koganei, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	2	1995–2000
AGENCY IND SCIENCE TECHN	1	1981
KOGANEI LTD	1	2019

Locations