Tadashi Hirakawa

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board with opposed bonding shelves for semiconducto...
- Patent number 6,040,984
- Issue date Mar 21, 2000
- Fuji Machinery Mfg. & Electronics Co., Ltd.
- Tadashi Hirakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ball grid array semiconductor package with solder ball openings in...
- Patent number 6,011,694
- Issue date Jan 4, 2000
- Fuji Machinery Mfg. & Electronics Co., Ltd.
- Tadashi Hirakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ball grid array semiconductor package
- Patent number 5,994,773
- Issue date Nov 30, 1999
- Tadashi Hirakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated circuit package with via interconnections formed in a su...
- Patent number 5,483,100
- Issue date Jan 9, 1996
- Amkor Electronics, Inc.
- Robert C. Marrs
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Epoxy resin-impregnated prepreg
- Patent number 5,436,301
- Issue date Jul 25, 1995
- Teijin Limited
- Kunio Nishimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for forming an integrated circuit package with via interconn...
- Patent number 5,378,869
- Issue date Jan 3, 1995
- Amkor Electronics, Inc.
- Robert C. Marrs
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ball grid array with via interconnection
- Patent number 5,355,283
- Issue date Oct 11, 1994
- Amkor Electronics, Inc.
- Robert C. Marrs
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-modified wholly aromatic polyamide fiber and method of prod...
- Patent number 5,240,770
- Issue date Aug 31, 1993
- Teijin Limited
- Hiroyuki Moriga
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Base material for honeycomb core structure and process for producin...
- Patent number 4,710,432
- Issue date Dec 1, 1987
- Teijin Limited
- Kunio Nishimura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dust-proof fabric
- Patent number 4,582,747
- Issue date Apr 15, 1986
- Teijin Limited
- Tadashi Hirakawa
- D03 - WEAVING
Information Patent Grant
Synthetic polyester pulp and process for preparing same
- Patent number 4,529,481
- Issue date Jul 16, 1985
- Teijin Ltd.
- Makoto Yoshida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing paper or non-woven fabric
- Patent number 4,501,641
- Issue date Feb 26, 1985
- Teijin Limited
- Tadashi Hirakawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper-like polyester fiber sheet and process for producing the same
- Patent number 4,496,583
- Issue date Jan 29, 1985
- Teijin Limited
- Tamio Yamamoto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Raised and fused fabric filter and process for producing the same
- Patent number 4,225,642
- Issue date Sep 30, 1980
- Teijin Limited
- Tadashi Hirakawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Antistatic composite yarn and carpet
- Patent number 4,154,881
- Issue date May 15, 1979
- Teijin Limited
- Tadashi Hirakawa
- D03 - WEAVING

Tadashi Hirakawa

Person

Patents Grantslast 30 patents

Printed circuit board with opposed bonding shelves for semiconducto...

Ball grid array semiconductor package with solder ball openings in...

Ball grid array semiconductor package

Integrated circuit package with via interconnections formed in a su...

Epoxy resin-impregnated prepreg

Method for forming an integrated circuit package with via interconn...

Ball grid array with via interconnection

Surface-modified wholly aromatic polyamide fiber and method of prod...

Base material for honeycomb core structure and process for producin...

Dust-proof fabric

Synthetic polyester pulp and process for preparing same

Process for producing paper or non-woven fabric

Paper-like polyester fiber sheet and process for producing the same

Raised and fused fabric filter and process for producing the same

Antistatic composite yarn and carpet