Patents by Inventor Koichi Wakae

Koichi Wakae has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-tube boiler
    Patent number: 6269782
    Abstract: Boiler efficiency is further improved and the whole boiler body is slimmed down by totally improving heat transfer surfaces confronting gas flow passages, i.e., by forming the heat transfer surface structure into three stages, and moreover by making effective use of the whole heat transfer surfaces of water tubes equipped with fully circumferentially finned water tubes.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: August 7, 2001
    Assignees: Miura Co., Ltd., Miura Institute of Research & Development Co., Ltd.
    Inventors: Toshihiro Kayahara, Akinori Kawakami, Takashi Morimatsu, Koichi Wakae, Kanta Kondou, Tomohiro Ookubo, Osamu Tanaka