Patents by Inventor Toshiyuki Utsuki

Toshiyuki Utsuki 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 fan
    Patent number: D290872
    Type: Grant
    Filed: February 25, 1985
    Date of Patent: July 14, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Shuichi Kouno, Toshiyuki Utsuki, Hideki Sakae, Kenichi Watanabe
  • Electric fan
    Patent number: D290997
    Type: Grant
    Filed: December 26, 1985
    Date of Patent: July 21, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Shuichi Kouno, Kazunori Yanagisawa, Yasuo Tsumurai
  • Electric fan
    Patent number: D291352
    Type: Grant
    Filed: February 25, 1985
    Date of Patent: August 11, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Shuichi Kouno, Toshiyuki Utsuki, Hideki Sakae, Kenichi Watanabe
  • Electric fan
    Patent number: D307470
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: April 24, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Shuichi Kouno, Kenichi Watanabe
  • Telephone station set
    Patent number: D310524
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: September 11, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Nobuo Fukuda, Yoshihiro Kwakatsu, Yasunari Iehara
  • Magnetic disc storage unit for electronic computer
    Patent number: D335285
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: May 4, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Syoji Umemoto, Tatsuo Murai, Naoyuki Fukada, Takeo Hayakawa, Kazuo Nakagoshi
  • Ultrasonic flaw detector system
    Patent number: D349464
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: August 9, 1994
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroaki Nakashima, Toshiyuki Utsuki, Toshihiko Wada, Yukio Arima, Tohru Miyata
  • Control unit for an ultrasonic flaw detector
    Patent number: D350294
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: September 6, 1994
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroaki Nakashima, Toshiyuki Utsuki, Toshihiko Wada, Yukio Arima, Tohru Miyata
  • Computer
    Patent number: D361060
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: August 8, 1995
    Assignee: Hitachi, Ltd.
    Inventors: Kennta Kumagaya, Yutaka Yonezawa, Jyun Furuya, Toshiyuki Utsuki, Takashi Yamamoto, Hiroshi Takahashi, Tamotsu Tsukaguchi, Shigeru Koizumi, Fumio Kishida
  • Computer
    Patent number: D371347
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: July 2, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Takashi Yamamoto, Kenta Kumagai, Yutaka Yonezawa, Tadahiro Yamaguchi, Tamotsu Tsukaguchi, Shigeru Koizumi, Fumio Kishida
  • Communication apparatus
    Patent number: D373362
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: September 3, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Yukio Kuroiwa, Toshiyuki Utsuki, Hiroshi Yoshikawa
  • ATM communication apparatus
    Patent number: D374965
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: October 22, 1996
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Yukio Kuroiwa, Yoshiki Yoshida, Kenta Kumagai, Setsuo Takahashi
  • Computer
    Patent number: D389464
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: January 20, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Toshiyuki Utsuki, Takashi Yamamoto, Kenta Kumagai, Tohru Higashihara, Tamotsu Tsukaguchi, Mitsuharu Nagai, Fumio Kishida, Yoshito Hayashi