Patents by Inventor Koji Sotokawa

Koji Sotokawa 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).

  • Method of punching damper with use of hollow punch, punching apparatus for the method, and attaching apparatus with the punching apparatus
    Patent number: 9339941
    Abstract: A method punches a damper out from a damper material that is detachably attached on a flexible exfoliative member through an attaching surface of the damper material with use of a hollow punch. The method includes steps of setting the damper material on a supporting surface, positioning a projection part between the exfoliative member and the supporting surface, and punching the damper out from the damper material by cutting the damper material around the projection part by the hollow punch without punching the exfoliative member.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: May 17, 2016
    Assignee: NHK Spring Co., Ltd.
    Inventors: Koji Sotokawa, Naoto Okubo
  • Attitude correction apparatus including opposing laser emitters
    Patent number: 8773653
    Abstract: An attitude correction apparatus includes a pair of opposing laser emitters that face each other. Each of the laser emitters includes a laser oscillator to generate a laser beam, a condenser lens to emit the laser beam toward the head suspension, and galvanomirrors to adjust the directivity of an optical axis of the laser beam from a standby state toward a spot on the head suspension. The condenser lens of each laser emitter is positioned so that the directivity of the optical axis of the laser beam in the standby state disagrees with an optical path that passes through the condenser lens and laser oscillator of the other laser emitter.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: July 8, 2014
    Assignee: NHK Spring Co., Ltd.
    Inventors: Eiichi Shirakura, Koji Sotokawa, Shinpei Kakiuchi
  • METHOD OF PUNCHING DAMPER WITH USE OF HOLLOW PUNCH, PUNCHING APPARATUS FOR THE METHOD, AND ATTACHING APPARATUS WITH THE PUNCHING APPARATUS
    Publication number: 20130047807
    Abstract: A method punches a damper out from a damper material that is detachably attached on a flexible exfoliative member through an attaching surface of the damper material with use of a hollow punch. The method includes steps of setting the damper material on a supporting surface, positioning a projection part between the exfoliative member and the supporting surface, and punching the damper out from the damper material by cutting the damper material around the projection part by the hollow punch without punching the exfoliative member.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 28, 2013
    Applicant: NHK Spring Co., Ltd.
    Inventors: Koji SOTOKAWA, Naoto Okubo
  • ATTITUDE CORRECTION APPARATUS INCLUDING OPPOSING LASER EMITTERS
    Publication number: 20120287421
    Abstract: An attitude correction apparatus includes a pair of opposing laser emitters that face each other. Each of the laser emitters includes a laser oscillator to generate a laser beam, a condenser lens to emit the laser beam toward the head suspension, and galvanomirrors to adjust the directivity of an optical axis of the laser beam from a standby state toward a spot on the head suspension. The condenser lens of each laser emitter is positioned so that the directivity of the optical axis of the laser beam in the standby state disagrees with an optical path that passes through the condenser lens and laser oscillator of the other laser emitter.
    Type: Application
    Filed: April 19, 2012
    Publication date: November 15, 2012
    Applicant: NHK SPRING CO., LTD.
    Inventors: Eiichi SHIRAKURA, Koji Sotokawa, Shinpei Kakiuchi