Masayasu Kojima

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Profile element pipe for hydraulic bulging, hydraulic bulging devic...
- Patent number 7,827,839
- Issue date Nov 9, 2010
- Sumitomo Metal Industries, Ltd.
- Atsushi Tomizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metallic sheet hydroforming method, forming die, and formed part
- Patent number 6,722,009
- Issue date Apr 20, 2004
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for hydroforming metallic tube
- Patent number 6,237,382
- Issue date May 29, 2001
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for hydroforming metallic tube
- Patent number 6,105,409
- Issue date Aug 22, 2000
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Lubricant surface-treated steel pipe for hydroforming use
- Patent number 6,009,913
- Issue date Jan 4, 2000
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for hydroforming metallic tube
- Patent number 5,918,494
- Issue date Jul 6, 1999
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Heat sink fin assembly for cooling an LSI package
- Patent number 5,625,229
- Issue date Apr 29, 1997
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process for producing a heat sink fin
- Patent number 5,519,938
- Issue date May 28, 1996
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IC package heat sink fin
- Patent number 5,455,382
- Issue date Oct 3, 1995
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing laminated metal belt
- Patent number 5,152,047
- Issue date Oct 6, 1992
- Sumitomo Metal Industries, Ltd.
- Masayasu Kojima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal case for housing an IC and a manufacturing method therefor
- Patent number 4,852,736
- Issue date Aug 1, 1989
- Sumitomo Metal Industries
- Masayasu Kojima
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Profile element pipe for hydraulic bulging, hydraulic bulging devic...
- Publication number 20080178650
- Publication date Jul 31, 2008
- Atsushi Tomizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method of Hydraulic bulging and shaft pressing profile element pipe...
- Publication number 20070234771
- Publication date Oct 11, 2007
- Atsushi Tomizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Profile element pipe for hydraulic bulging, hydraulic bulging devic...
- Publication number 20050257587
- Publication date Nov 24, 2005
- Atsushi Tomizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Metallic sheet hydroforming method, forming die, and formed part
- Publication number 20020166222
- Publication date Nov 14, 2002
- Masayasu Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Masayasu Kojima

Person

Patents Grantslast 30 patents

Profile element pipe for hydraulic bulging, hydraulic bulging devic...

Metallic sheet hydroforming method, forming die, and formed part

Method and apparatus for hydroforming metallic tube

Method and apparatus for hydroforming metallic tube

Lubricant surface-treated steel pipe for hydroforming use

Method and apparatus for hydroforming metallic tube

Heat sink fin assembly for cooling an LSI package

Process for producing a heat sink fin

IC package heat sink fin

Method of producing laminated metal belt

Metal case for housing an IC and a manufacturing method therefor

Patents Applicationslast 30 patents

Profile element pipe for hydraulic bulging, hydraulic bulging devic...

Method of Hydraulic bulging and shaft pressing profile element pipe...

Profile element pipe for hydraulic bulging, hydraulic bulging devic...

Metallic sheet hydroforming method, forming die, and formed part