Inventor

Akira Obata

Inventor

Yokohama, JP

Overview

5→

Patents

1976–2015

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 5 as inventor

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

A47Cprimary

A47CChairs7%

B64GCosmonautics7%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load7%

F02KJet-propulsion plants7%

F03DWind motors7%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g7%

F16CShafts7%

F16FSprings7%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere7%

F41JTargets7%

PatentTitleYear

9,039,367'Propeller windmill for small-sized power generator'2015 5,978,380'Apparatus for establishing common signal channel'1999 4,856,765'Spring apparatus'1989 4,215,862'Water-surface towed target'1980 3,932,722'Push button body for a push-button switch providing snap-action of the switch'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to NIPPO COMMUNICATION IND CO LTD (1)· patent assignee history

1976Based in Koriyama, JP· patent location history

1980–1989Patents assigned to JAPAN AIRCRAFT MFG CO (2)· patent assignee history

1980–1999Based in Yokohama, JP· patent location history

1989Patents assigned to KOHNO MASAHIRO (1)· patent assignee history

1989Based in Kamakura, JP· patent location history

1999Patents assigned to FUJITSU LTD (1)· patent assignee history

2015Patents assigned to Educational Foundation Bunri Gakuen (1)· patent assignee history

2015Based in Oita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN AIRCRAFT MFG CO	2	1980–1989
Educational Foundation Bunri Gakuen	1	2015
FUJITSU LTD	1	1999
KOHNO MASAHIRO	1	1989
NIPPO COMMUNICATION IND CO LTD	1	1976

Locations

Location	Patents	Span
Yokohama, JP	2	1980–1999
Oita, JP	1	2015
Kamakura, JP	1	1989
Koriyama, JP	1	1976