Patents by Inventor Kenichi TABUSHI

Kenichi TABUSHI 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).

  • Patent number: 11980991
    Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tip tool holder connected to the power transmission mechanism; a cover covering the tip tool holder partially; a first locking mechanism configured to switch between a first locking state and a first unlocked state; and a second locking mechanism configured to switch between a second locking state and a second unlocked state. In the electric power tool, the cover may become detachable from the housing when the user performs the second unlocking operation on the second locking mechanism and the first unlocking operation on the first locking mechanism.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: May 14, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Kenichi Tabushi, Akira Mizutani, Ken Goto, Kenji Shibata, Hideharu Muto, Satoshi Ninagawa, Junya Ishikawa, Takafumi Kotsuji
  • Patent number: 11717938
    Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tool holder projecting from the housing; a cover covering at least a part of a tool attached to the tool holder; and a mask member. The cover may include an engaging portion that engages with the housing. The mask member may have a shape that blocks visibility of at least a part of the engaging portion.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: August 8, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Shin Nakamura, Hideharu Muto, Kenichi Tabushi
  • Patent number: 11571802
    Abstract: A metal wire may be provided inside a hanger portion extending with an annular shape and which is integrally formed with an outer casing. An electric power tool may be prevented from falling, etc. due to deformation or breakage of the hanger portion by being reinforced by the wire.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: February 7, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Fumitoshi Numata, Hideharu Muto, Yasushi Ogura, Kenichi Tabushi
  • Publication number: 20210299813
    Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tip tool holder connected to the power transmission mechanism; a cover covering the tip tool holder partially; a first locking mechanism configured to switch between a first locking state and a first unlocked state; and a second locking mechanism configured to switch between a second locking state and a second unlocked state. In the electric power tool, the cover may become detachable from the housing when the user performs the second unlocking operation on the second locking mechanism and the first unlocking operation on the first locking mechanism.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Kenichi TABUSHI, Akira MIZUTANI, Ken GOTO, Kenji SHIBATA, Hideharu MUTO, Satoshi NINAGAWA, Junya ISHIKAWA, Takafumi KOTSUJI
  • Publication number: 20200262047
    Abstract: A metal wire may be provided inside a hanger portion extending with an annular shape and which is integrally formed with an outer casing. An electric power tool may be prevented from falling, etc. due to deformation or breakage of the hanger portion by being reinforced by the wire.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 20, 2020
    Applicant: MAKITA CORPORATION
    Inventors: Fumitoshi NUMATA, Hideharu MUTO, Yasushi OGURA, Kenichi TABUSHI
  • Publication number: 20190262972
    Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tool holder projecting from the housing; a cover covering at least a part of a tool attached to the tool holder; and a mask member. The cover may include an engaging portion that engages with the housing. The mask member may have a shape that blocks visibility of at least a part of the engaging portion.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 29, 2019
    Applicant: Makita Corporation
    Inventors: Shin NAKAMURA, Hideharu Muto, Kenichi Tabushi
  • Publication number: 20120252328
    Abstract: In a power tool in which a disc-shaped tool is attached to a spindle that protrudes from a housing, a dust-collecting cover provided on the housing for covering the disc-shaped tool has a tool insertion opening. A rotation stopping tool that stops rotation of the spindle can be inserted into the dust-collecting cover through the tool inserting opening. The duct-collecting cover is provided with a rubber ring that blocks the tool insertion opening such that the opening can be opened and closed as desired.
    Type: Application
    Filed: February 27, 2012
    Publication date: October 4, 2012
    Applicant: MAKITA CORPORATION
    Inventors: Hideharu MUTO, Shin NAKAMURA, Kenichi TABUSHI
  • Patent number: D1022645
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 16, 2024
    Assignee: MAKITA CORPORATION
    Inventors: Kazunori Hattori, Kenichi Tabushi