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Inventor

Hirokatsu Kohsokabe

Inventor
Ibaraki, JP

Overview

26→
Patents
1995–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 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 liquids56%
F01CRotary-piston or oscillating-piston machines or engines31%
Y10TTechnical subjects covered by former us classification7%
F04BPositive-displacement machines for liquids2%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines2%
F25BRefrigeration machines, plants or systems2%
PatentTitleYear
8,585,376'Water-injection type scroll air compressor'20138,241,021'Displacement type compressor having a self-start synchronous motor and start load reducing means'20128,202,057'Oil-free scroll compressor'20127,442,017'Displacement type compressor having a self-start synchronous motor and start load reducing means'20087,438,539'Hermetic type scroll compressor and refrigerating and air-conditioning apparatus'20086,923,016'Refrigeration cycle apparatus'20056,905,318'Compressor including tapered discharged valve and valve seat'20056,406,279'Displacement type fluid machine'20026,352,418'Displacement type fluid machine'20026,332,763'Displacement type fluid machine having an orbiting displacer forming a plurality of spaces'20016,332,764'Displacement type fluid machine having an orbiting displacer forming a plurality of spaces and method for manufacturing same'20016,312,237'Displacement type fluid machine'20016,220,841'Displacement type fluid machine'20016,217,303'Displacement fluid machine'20016,213,743'Displacement type fluid machine'20016,183,228'Displacement type fluid machine'20016,179,593'Displacement fluid machine'20016,174,150'Scroll compressor'20016,164,941'Displacement type fluid machine having an orbiting displacer forming a plurality of spaces'20006,152,714'Displacement type fluid machine having rotation suppression of an orbiting displacer'20006,099,279'Displacement fluid machine'20005,938,417'Scroll type fluid machine having wraps formed of circular arcs'19995,829,959'Scroll compressor'19985,554,017'Scroll fluid machine, scroll member and processing method thereof'19965,494,423'Rotary compressor and blade tip structure'19965,427,512'Scroll fluid machine, scroll member and processing method thereof'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2005Patents assigned to HITACHI LTD (20)· patent assignee history
1995–2002Based in Ibaraki, JP· patent location history
2002–2012Based in Minori, JP· patent location history
2005–2008Based in Tokyo, JP· patent location history
2008–2012Patents assigned to HITACHI APPLIANCES INC (2)· patent assignee history
2012–2013Patents assigned to KOHSOKABE HIROKATSU (3)· patent assignee history
2012–2013Patents assigned to HITACHI IND EQUIPMENT SYS (2)· patent assignee history
2012–2013Patents assigned to KAMEYA HIROTAKA (2)· patent assignee history
2012–2013Based in Omitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD201995–2005
KOHSOKABE HIROKATSUself32012–2013
HITACHI APPLIANCES INC22008–2012
HITACHI IND EQUIPMENT SYS22012–2013
KAMEYA HIROTAKA22012–2013
Locations
LocationPatentsSpan
Ibaraki, JP181995–2002
Minori, JP42002–2012
Omitama, JP22012–2013
Tokyo, JP22005–2008