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Inventor

Masahiro Takebayashi

Inventor
Tsuchiura, JP

Overview

30→
Patents
1985–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 30 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 liquids52%
F01CRotary-piston or oscillating-piston machines or engines22%
Y10TTechnical subjects covered by former us classification9%
F25BRefrigeration machines, plants or systems7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B01DSeparation3%
F16CShafts2%
PatentTitleYear
9,803,900'Screw compressor and chiller unit provided with same'20179,568,003'Screw compressor and chiller unit provided with same'20177,354,259'Scroll compressor having a valved back pressure chamber and a bypass for overcompression'20087,137,796'Scroll compressor'20067,118,358'Scroll compressor having a back-pressure chamber control valve'20066,769,888'Scroll compressor having a valved back pressure chamber and a bypass for overcompression'20046,589,035'Scroll compressor having a valved back-pressure chamber and a bypass for over-compression'20036,494,696'Scroll compressor'20026,406,279'Displacement type fluid machine'20026,352,418'Displacement type fluid machine'20026,332,764'Displacement type fluid machine having an orbiting displacer forming a plurality of spaces and method for manufacturing same'20016,332,763'Displacement type fluid machine having an orbiting displacer forming a plurality of spaces'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'19985,775,893'Scroll compressor having an orbiting scroll with volute wraps on both sides of a plate'19985,345,785'Scroll compressor and air conditioner using the same'19945,137,437'Scroll compressor with improved bearing'19925,087,170'Rotary compressor'19924,561,829'Rotary compressor with tapered valve ports for lubricating pump'19854,544,338'Oil feeder means for use in a horizontal type rotary compressor'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2008Patents assigned to HITACHI LTD (28)· patent assignee history
1985Based in Yokohama, JP· patent location history
1992Based in Ibaraki, JP· patent location history
1994–2006Based in Tsuchiura, JP· patent location history
2001–2002Based in Tochigi, JP· patent location history
2008–2017Based in Tokyo, JP· patent location history
2017Patents assigned to JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECH (HONG KONG) LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD281985–2008
JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECH (HONG KONG) LTD22017
Locations
LocationPatentsSpan
Tsuchiura, JP171994–2006
Tochigi, JP52001–2002
Tokyo, JP32008–2017
Ibaraki, JP21992
Yokohama, JP21985