TREA

Kiyoshi Koyama

Follow

Person

  • Gunma, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat pump type hot water supply apparatus
    • Patent number 6,601,773
    • Issue date Aug 5, 2003
    • Sanyo Electric Co., Ltd.
    • Masanobu Saitoh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cross-flow fan and an air-conditioner using it
    • Patent number 6,158,954
    • Issue date Dec 12, 2000
    • Sanyo Electric Co., Ltd.
    • Noriyuki Nabeshima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air conditioner having air filter
    • Patent number 5,379,609
    • Issue date Jan 10, 1995
    • Sanyo Electric Co., Ltd.
    • Kensuke Matsumoto
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents