Inventor

HIWATA AKIRA

JP22 patents

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

HIWATA AKIRA

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Scroll compressor having an annular recess located outside an annular seal portion and another recess communicating with suction port of fixed scroll

Refrigeration cycle apparatus

Refrigeration cycle apparatus

Expander

Scroll compressor with surface processed orbiting scroll plate back surface

Scroll compressor with certain pressure ratio between discharge pressure and suction pressure and with certain ratio of diameter of orbiting mirror plate and outer diameter of the annular seal

Scroll compressor

Scroll compressor having a back pressure chamber comprising high and middle pressure chambers

Determining method of high pressure of refrigeration cycle apparatus

Scroll compressor

PANASONIC IP MAN CO LTD

Turbo machine

Turbo machine

Turbo machine

Rotary compressor

Rotary compressor with oil retaining portion

Turbo machine and refrigerating cycle apparatus

MATUSUSHITA ELECTRIC IND CO LT

Scroll compressor for carbon dioxide supplied with a lubricant

PANASONIC CORP

Scroll compressor having a fixed scroll part and an orbiting scroll part

HIWATA AKIRA

Refrigeration cycle device capable of efficiently varying capacity providing a first and a second compressing mechanism disposed in a hermetic container

NAKATANI KAZUO

Refrigeration cycle apparatus

OGATA TAKESHI

Rotary compressor

WADA MASANOBU

Scroll expander and refrigeration cycle apparatus