Patents by Inventor Katsumasa Ogawa

Katsumasa Ogawa 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).

  • Block for a flowerbed
    Patent number: D450136
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 6, 2001
    Inventor: Katsumasa Ogawa
  • Block for a flowerbed
    Patent number: D451209
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 27, 2001
    Inventor: Katsumasa Ogawa
  • Block for a flowerbed
    Patent number: D461566
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 13, 2002
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flower bed
    Patent number: D461567
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 13, 2002
    Inventor: Katsumasa Ogawa
  • Block for a flower bed
    Patent number: D461912
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 20, 2002
    Inventor: Katsumasa Ogawa
  • Block for a flower bed
    Patent number: D461913
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 20, 2002
    Inventor: Katsumasa Ogawa
  • Block for a flower bed
    Patent number: D462457
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: September 3, 2002
    Inventor: Katsumasa Ogawa
  • Interior and exterior construction board having a patterned face
    Patent number: D462462
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: September 3, 2002
    Inventor: Katsumasa Ogawa
  • Interior and exterior construction board having a patterned face
    Patent number: D462463
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: September 3, 2002
    Inventor: Katsumasa Ogawa
  • Block for a flower bed
    Patent number: D462786
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: September 10, 2002
    Inventor: Katsumasa Ogawa
  • Interior and exterior construction board having a patterned face
    Patent number: D462792
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: September 10, 2002
    Inventor: Katsumasa Ogawa
  • Interior and exterior construction board having a patterned face
    Patent number: D464743
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: October 22, 2002
    Inventor: Katsumasa Ogawa
  • Block for a flowerbed
    Patent number: D475147
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: May 27, 2003
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D478388
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: August 12, 2003
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D479001
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: August 26, 2003
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D479611
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: September 9, 2003
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D480818
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: October 14, 2003
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D491675
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: June 15, 2004
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D492423
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: June 29, 2004
    Inventors: Katsumasa Ogawa, Makiko Inoue
  • Block for a flowerbed
    Patent number: D498002
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: November 2, 2004
    Inventors: Katsumasa Ogawa, Makiko Inoue