P

Inventor

YOSHIDA YUJI

JP114 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

16 patents
US5370811ADec 6, 1994

Working fluid containing tetrafluoroethane

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US5247806ASep 28, 1993

Multi-system air conditioner

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations92
US5222371AJun 29, 1993

Air conditioner of multichamber type

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US4840042AJun 20, 1989

Heat pump system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US4722195AFeb 2, 1988

Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5711158AJan 27, 1998

Apparatus and method for charging three-component mixed refrigerant

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations90
US6840058B2Jan 11, 2005

Refrigerating cycle apparatus and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US6962059B2Nov 8, 2005

Refrigerating cycle device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations83
US6871511B2Mar 29, 2005

Refrigeration-cycle equipment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations83
US5438849AAug 8, 1995

Air conditioner and heat pump with tetra fluoroethane-containing working fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82
US5304319AApr 19, 1994

Working fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US5059338AOct 22, 1991

Working fluid

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US6156224ADec 5, 2000

Working fluid containing perfluorodimethylether

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US5186011AFeb 16, 1993

Refrigerant cycling apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US5012651AMay 7, 1991

Heat pump apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US4679403AJul 14, 1987

Heat pump apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations73

FUJITSU LTD

8 patents

KOKUSAI ELECTRIC CO LTD

3 patents

DAINIPPON TORYO KK

3 patents

MICROSEMI CORP

2 patents

HITACHI LTD

2 patents

MITSUI PETROCHEMICAL IND

2 patents

AGENCY IND SCIENCE TECHN

2 patents

NITTO BOSEKI CO LTD

1 patent

OKAMURA CORP

1 patent

KEMET ELECTRONICS CORP

1 patent

NEC TOKIN CORP

1 patent

SUMITOMO CHEMICAL CO

1 patent

TAKAHASHI NAOKI

1 patent

FUJITSU MICROELECTRONICS LTD

1 patent

NAT RES INST METALS

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

NEC CORP

1 patent

TOKIN CORP

1 patent

SEIKO EPSON CORP

1 patent

Showing the top 50 of 114 patents by PatentIndex Score.