Inventor

Masayuki Hara

Inventor

Ota, JP

Overview

32→

Patents

1988–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 32 as inventor

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

F04Cprimary

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids28%

F01CRotary-piston or oscillating-piston machines or engines17%

B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool3%

F02BInternal-combustion piston engines3%

G05BControl or regulating systems in general3%

LOC143%

A61BDiagnosis2%

A61NElectrotherapy2%

B23KSoldering or unsoldering2%

B25JManipulators2%

PatentTitleYear

10,570,779Turbine housing2020 10,286,555Device, system, and method for robot-controlled induction of the feeling of human presence2019 10,174,860Electromagnetic valve and transmission-use fuel pressure control device using electromagnetic valve2019 9,446,464'Wire discharge machining apparatus with graphical wire length display'2016 9,399,260'Wire electrical discharge machining apparatus'2016 8,760,727'Sheet-conveying device having opening'2014 D0706748'Speaker box'2014 8,690,556'Rotary compressor and manufacturing method of the same'2014 8,277,202'Multicylindrical rotary compressor'2012 7,985,054'Multicylindrical rotary compressor, compression system, and freezing device using the compression system'2011 7,801,563'Radio base station apparatus and radio communication method'2010 7,632,082'Hermetically sealed compressor and method of manufacturing the same'2009 7,585,162'Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same'2009 7,585,163'Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same'2009 7,581,936'Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure'2009 7,572,116'Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same'2009 7,566,204'Multicylindrical rotary compressor, compression system, and freezing device using the compression system'2009 7,563,085'Multicylinder rotary compressor and compressing system and refrigerating unit provided with same'2009 7,540,724'Compression member and vane of a compressor'2009 7,524,174'Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same'2009 7,488,165'Compressor having back pressure vane controlled for improving oil distribution'2009 7,473,081'Hermetically sealed compressor and method of manufacturing the same'2009 7,458,461'Packaging apparatus and method for compressor'2008 7,381,040'Compressor having pressure controlled for improving oil distribution'2008 7,114,930'Compressor'2006 7,100,548'V-type 8-cylinder four cycle internal combustion engine'2006 6,821,107'Method of forming a structure having multiple cell layers'2004 D0381992'Remote controller for a television receiver'1997 D0367478'Television receiver'1996 D0366043'Remote controller for television receiver'1996 D0366044'Remote controller for television receiver'1996 4,726,739'Multiple cylinder rotary compressor'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2014Patents assigned to SANYO ELECTRIC CO (18)· patent assignee history

1996–1997Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history

1996–2014Based in Shiga, JP· patent location history

2006–2009Based in Gunma, JP· patent location history

2008–2014Based in Ota, JP· patent location history

2012–2016Patents assigned to HARA MASAYUKI (4)· patent assignee history

2012–2014Patents assigned to NISHIKAWA TAKAHIRO (2)· patent assignee history

2016Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

2016–2019Based in Tokyo, JP· patent location history

2020Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANYO ELECTRIC CO	18	1988–2014
HARA MASAYUKIself	4	2012–2016
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	4	1996–1997
MITSUBISHI ELECTRIC CORP	2	2016
NISHIKAWA TAKAHIRO	2	2012–2014

Locations

Location	Patents	Span
Ota, JP	10	2008–2014
Gunma, JP	7	2006–2009
Shiga, JP	5	1996–2014
Tokyo, JP	3	2016–2019
Saitama, JP	1	2020