Inventor

Yoshiaki Hiruma

Inventor

Ota, JP

Overview

9→

Patents

2004–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 9 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 liquids29%

F01CRotary-piston or oscillating-piston machines or engines13%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines13%

H01FMagnets8%

Y10TTechnical subjects covered by former us classification8%

A41BShirts4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

D10BIndexing scheme associated with sublasses of section d, relating to textiles4%

F04BPositive-displacement machines for liquids4%

PatentTitleYear

10,748,700Coil structure and magnetic component2020 10,410,784Magnetic component2019 8,690,556'Rotary compressor and manufacturing method of the same'2014 7,850,436'Fixing structure and method for fixing upper cup muffler'2010 7,736,138'Compressor with continuously inclined surface'2010 7,632,082'Hermetically sealed compressor and method of manufacturing the same'2009 7,581,937'Rotary type compressor having an intermediate pressure on a surface side of its compression member'2009 7,481,635'Shaft seal for rotary type compressor'2009 6,679,688'Reed valve restriction plate with anti-sticking means'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2014Patents assigned to SANYO ELECTRIC CO (7)· patent assignee history

2004–2009Based in Gunma, JP· patent location history

2009–2014Based in Ota, JP· patent location history

2014Patents assigned to HARA MASAYUKI (1)· patent assignee history

2014Patents assigned to HIRUMA YOSHIAKI (1)· patent assignee history

2014Patents assigned to NISHIKAWA TAKAHIRO (1)· patent assignee history

2019–2020Patents assigned to SHINDENGEN ELECTRIC MFG (2)· patent assignee history

2019–2020Based in Hanno, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANYO ELECTRIC CO	7	2004–2014
SHINDENGEN ELECTRIC MFG	2	2019–2020
HARA MASAYUKI	1	2014
HIRUMA YOSHIAKIself	1	2014
NISHIKAWA TAKAHIRO	1	2014

Locations

Location	Patents	Span
Ota, JP	5	2009–2014
Hanno, JP	2	2019–2020
Gunma, JP	2	2004–2009