Patents by Inventor Kazuyuki Kawana

Kazuyuki Kawana 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).

  • Engine tool
    Patent number: 9010299
    Abstract: An engine tool comprises an engine, a housing retaining the engine, a top cover provided above the housing, and an air cleaner room provided at the housing. The engine tool is structured in such a way that external air introduced in the air cleaner room or the housing flows through a space formed between the housing and the top cover. The engine tool further comprises a handle part which is grabbed by a user and which is provided above the top cover. External air flows through a space formed between an area of the top cover where the handle part is provided and the housing. The engine tool still further comprises an air inlet for introducing external air provided at a front part of the engine tool.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: April 21, 2015
    Assignee: Hitachi Koki Co., Ltd
    Inventors: Kazuyuki Kawana, Kouhei Oda
  • Engine Tool
    Publication number: 20100122683
    Abstract: An engine tool comprises an engine, a housing retaining the engine, a top cover provided above the housing, and an air cleaner room provided at the housing. The engine tool is structured in such a way that external air introduced in the air cleaner room or the housing flows through a space formed between the housing and the top cover. The engine tool further comprises a handle part which is grabbed by a user and which is provided above the top cover. External air flows through a space formed between an area of the top cover where the handle part is provided and the housing. The engine tool still further comprises an air inlet for introducing external air provided at a front part of the engine tool.
    Type: Application
    Filed: November 13, 2009
    Publication date: May 20, 2010
    Applicant: Hitachi Koki Co., Ltd.
    Inventors: Kazuyuki Kawana, Kouhei Oda
  • Internal combustion engine
    Patent number: D1009078
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: December 26, 2023
    Assignee: MARUYAMA MFG. CO., INC.
    Inventors: Nozomu Sasaki, Kazuyuki Kawana, Masayoshi Goto