Inventor

OHTAHARA MASARU

JP8 patents

⚠️ This page may combine multiple inventors who share the name “OHTAHARA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI APPLIANCES INC

4 patents

US9181945B2Nov 10, 2015

Scroll compressor with channels intermittently communicating internal and external compression chambers with back pressure chamber

HITACHI APPLIANCES INC9 citations80

US7758326B2Jul 20, 2010

Scroll fluid machine

HITACHI APPLIANCES INC6 citations60

US7163386B2Jan 16, 2007

Scroll compressor having a movable auxiliary portion with contact plane of a stopper portion to contact a pane of the fixed scroll through elastic pressure of high pressure fluid

HITACHI APPLIANCES INC6 citations60

US7902713B2Mar 8, 2011

Self-starting type permanent magnet synchronous motor and a compressor using the same

HITACHI APPLIANCES INC0 citations39

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC

2 patents

US10584744B2Mar 10, 2020

Refrigerant compressor with supporting bearing insulation

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC2 citations65

US10190586B2Jan 29, 2019

Scroll compressor and air conditioner

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC0 citations48

HITACHI LTD

1 patent

US7021912B2Apr 4, 2006

Scroll fluid machine

HITACHI LTD13 citations82

JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECH (HONG KONG) LTD

1 patent

US9500196B2Nov 22, 2016

Scroll compressor with intermittent communication between back pressure chamber and compression chambers

JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECH (HONG KONG) LTD0 citations35