Patents by Inventor Shinichi Kakefuda

Shinichi Kakefuda 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: 10344951
    Abstract: In order to obtain an illuminating device that can carry out optimum illumination corresponding to various usage modes, the illuminating device includes a grip held by an operator and extending in a vertical direction; a battery connected to a lower end of the grip; and an irradiation part connected to an upper end of the grip, and the irradiation part is connected to the grip so that the irradiation part can be turned between a first position extending from the upper end of the grip to an upper side and a second position extending from the upper end of the grip to a lower side, a first lamp is provided on a grip-side end part of the irradiation part, and a second lamp is provided on a side surface of the irradiation part.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: July 9, 2019
    Assignee: Koki Holdings Co., Ltd.
    Inventors: Yoshiki Aoki, Shinichi Kakefuda, Masanori Okada
  • Publication number: 20150276182
    Abstract: In order to obtain an illuminating device that can carry out optimum illumination corresponding to various usage modes, the illuminating device includes a grip held by an operator and extending in a vertical direction; a battery connected to a lower end of the grip; and an irradiation part connected to an upper end of the grip, and the irradiation part is connected to the grip so that the irradiation part can be turned between a first position extending from the upper end of the grip to an upper side and a second position extending from the upper end of the grip to a lower side, a first lamp is provided on a grip-side end part of the irradiation part, and a second lamp is provided on a side surface of the irradiation part.
    Type: Application
    Filed: January 30, 2015
    Publication date: October 1, 2015
    Inventors: Yoshiki AOKI, Shinichi KAKEFUDA, Masanori OKADA
  • Publication number: 20150136434
    Abstract: A holding fixture can securely fix a work implement, and does not become an obstacle when the work implement is carried or in used. The holding fixture 20 is provided with a flexible wire 21 which is attached in a housing hole 15 and movable in a length direction of the housing hole 15, wherein the housing hole 15 is a thin and long curved hole extending from the battery mounting unit 12 to the grip 11. One end of the wire 21 is separated from the electric torch 10, and a L-shaped hook 22 is anchored to said one end of the wire 21 as a hooking tool for fixing the electric torch 10 by its own weight. The worker pulls the hook 22 (wire 21) out of the housing hole 15 and can use the hook 22 for fixing the electric torch 10.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 21, 2015
    Inventors: Yoshiki AOKI, Masato SAKAI, Shinichi KAKEFUDA, Tetsuo EBATA
  • Publication number: 20140047722
    Abstract: A chain saw has a drive shaft which drives the saw chain, an electric motor which imparts a rotational force to the drive shaft, a main body housing which incorporates the electric motor, a battery which is detachably attached to the main body housing, a battery guard which supports a bottom surface of the battery, and a hook which is provided in a hook accommodating portion on a bottom surface side of the battery guard so as to be freely drawn out to the rear. A pillar-like portion is formed within the battery guard in a position lying further forwards than the hook accommodating portion, and bent-back portions of the hook are brought into engagement with the pillar-like portion.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 20, 2014
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Miyoji Onose, Ai Nakayama, Seiichi Kodato, Kouji Sagawa, Shinichi Kakefuda
  • Publication number: 20120073144
    Abstract: A portable working machine comprising: an engine; a frame which holds the engine; front handle and a rear handle which are provided to the frame; and a power conversion unit for transmitting an output from the engine to drive a working tool, wherein the engine, the power conversion unit and the working tool being held by the frame via an elastic member, and wherein the front handle and the elastic member are disposed so that an axis passing through a center of an attachment portion of the front handle and an axis passing through a center of an attachment portion of the elastic member substantially coincide with each other.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 29, 2012
    Applicant: Hitachi Koki Co., Ltd.
    Inventors: Fukushi Tamura, Shinichi Kakefuda
  • Patent number: D638035
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: May 17, 2011
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shingo Kosugi, Masanori Okada, Shinichi Kakefuda, Yoshikazu Yokoyama, Jun Kugenuma
  • Patent number: D645318
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: September 20, 2011
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Shinichi Kakefuda, Masanori Okada, Takahiro Okubo
  • Patent number: D657211
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: April 10, 2012
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shingo Kosugi, Shinichi Kakefuda, Fukushi Tamura
  • Patent number: D667024
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: September 11, 2012
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Shinichi Kakefuda, Sho Kanesawa
  • Patent number: D701102
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: March 18, 2014
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Shinichi Kakefuda, Masanori Okada, Miyoji Onose
  • Patent number: D715617
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: October 21, 2014
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Shinichi Kakefuda, Masayuki Ogura, Masanori Okada, Junichi Tokairin
  • Patent number: D729999
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: May 19, 2015
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Yoshiki Aoi, Shinichi Kakefuda, Hiroyuki Hasegawa, Mizuho Nakamura
  • Patent number: D761069
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: July 12, 2016
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Shinichi Kakefuda, Masayuki Ogura, Masanori Okada, Junichi Tokairin
  • Patent number: D762435
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 2, 2016
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Shinichi Kakefuda
  • Patent number: D799929
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: October 17, 2017
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Shinichi Kakefuda, Rui Akiba, Hideki Yamada
  • Patent number: D811453
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: February 27, 2018
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Shinichi Kakefuda, Rui Akiba, Yuuichi Toyoshima, Shingo Kosugi
  • Patent number: D823087
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: July 17, 2018
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Shinichi Kakefuda, Takeru Tomiyama
  • Patent number: D831458
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: October 23, 2018
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Shinichi Kakefuda, Hisashi Irokawa
  • Patent number: D849795
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: May 28, 2019
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Shinichi Kakefuda, Youhei Kinugawa, Keisuke Ikeda, Hisashi Irokawa
  • Patent number: D951735
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: May 17, 2022
    Assignee: Koki Holdings Co., Ltd.
    Inventors: Takeshi Taniguchi, Shinichi Kakefuda, Masahiro Fujiwara, Tomohiro Ejiri