HS

Hirofumi Sugikawa

KI Katayama Special Industries: 18 patents #1 of 9Top 15%
📍 Toyonaka, JP: #71 of 1,166 inventorsTop 7%
Overall (All Time): #259,852 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6869728 Method of manufacturing battery electrode substrate and battery electrode substrate 2005-03-22
6682851 Method of manufacturing battery electrode substrate and battery electrode substrate 2004-01-27
6682852 Method of manufacturing battery electrode substrate and battery electrode substrate 2004-01-27
6500582 Method of producing electrode for battery and electrode produced by method 2002-12-31
6485865 Porous metal sheet, battery electrode plate composed of porous metal sheet and battery having electrode plate 2002-11-26
6455201 Method of manufacturing battery electrode substrate and battery electrode substrate 2002-09-24
6436580 Method of manufacturing porous sheet, porous metal sheet manufactured by method, and electrode for battery 2002-08-20
6165640 Battery can-forming plate and battery can 2000-12-26
6153027 Method of manufacturing battery can-forming plate, battery can-forming plate manufactured by method 2000-11-28
6110417 Porous metallic sheet used as an electrode substrate of a battery and method of manufacturing the porous material sheet 2000-08-29
6080357 Method of manufacturing porous sheet, porous metal sheet manufactured by method, and electrode for battery 2000-06-27
5850591 Method of manufacturing a metal sheet 1998-12-15
5655295 Lead-provided porous metal sheet and method for manufacturing the sheet 1997-08-12
5603782 Battery can, sheet for forming battery can, and method for manufacturing sheet Sachio Michibata, Keiichi Hayashi 1997-02-18
5531955 Method of manufacturing a metallic porous sheet having pores surrounded by a three-dimensional net-shaped framework of metallic layers 1996-07-02
5508114 Lead-provided porous metal sheet and method for manufacturing the sheet 1996-04-16
5496650 Metallic porous sheet having pores surrounded by a three-dimensional net-shaped framework of metallic layers 1996-03-05
5300165 Method for manufacturing a metallic porous sheet 1994-04-05