Patents by Inventor Rui Akiba

Rui Akiba 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).

  • Electric device with surrounding protective frame
    Patent number: 9693470
    Abstract: An electric device includes: a device body; and a frame guard. The device body has a plurality of surfaces for defining a three-dimensional configuration. The frame guard is configured to guard the device body. The frame guard is connected to the device body and disposed outside the device body. The plurality of surfaces is all disposed inside the frame guard.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: June 27, 2017
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Masanori Okada, Rui Akiba, Masato Sakai
  • ELECTRIC DEVICE
    Publication number: 20150043138
    Abstract: An electric device includes: a device body; and a frame guard. The device body has a plurality of surfaces for defining a three-dimensional configuration. The frame guard is configured to guard the device body. The frame guard is connected to the device body and disposed outside the device body. The plurality of surfaces is all disposed inside the frame guard.
    Type: Application
    Filed: June 3, 2014
    Publication date: February 12, 2015
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Takafumi Itoh, Masanori Okada, Rui Akiba, Masato Sakai
  • Air compressor
    Patent number: D667467
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: September 18, 2012
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shingo Kosugi, Rui Akiba, Masanori Okada, Kenichi Matsunaga, Hiroki Kitagawa
  • Centrifuge
    Patent number: D684272
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: June 11, 2013
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Rui Akiba
  • Pruning machine
    Patent number: D706591
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: June 10, 2014
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Shingo Kosugi, Rui Akiba, Yasutaka Shimizu
  • Radio receiver
    Patent number: D726142
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: April 7, 2015
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Rui Akiba, Masanori Okada, Masato Sakai
  • Portable electric driver
    Patent number: D735006
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: July 28, 2015
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Masato Sakai, Rui Akiba, Hiroki Uchida, Masanori Okada, Yoshihiro Komuro
  • Battery
    Patent number: D780687
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 7, 2017
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Rui Akiba, Toshiyuki Suzuki, Shota Kanno
  • Portable electric hammer drill
    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
  • Battery pack
    Patent number: D800650
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 24, 2017
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takafumi Itoh, Rui Akiba, Yuji Kishima
  • Table circular saw
    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
  • Table cutting machine
    Patent number: D844681
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: April 2, 2019
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Yoshiki Aoki, Rui Akiba, Hayato Narui
  • Portable electric circular saw
    Patent number: D849495
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: May 28, 2019
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Rui Akiba, Shinji Kuragano
  • Engine blower
    Patent number: D850740
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: June 4, 2019
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Rui Akiba, Keisuke Ikeda
  • Portable electric saw
    Patent number: D867843
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: November 26, 2019
    Assignee: Koki Holdings Co., Ltd.
    Inventors: Takafumi Itoh, Rui Akiba
  • Portable electric driver body
    Patent number: D962031
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: August 30, 2022
    Assignee: Koki Holdings Co., Ltd.
    Inventors: Shingo Kosugi, Rui Akiba, Shota Takeuchi