Yoshifumi Katayama

Person

Ryuoshin-machi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of bonding inner leads to chip pads
- Patent number 6,898,848
- Issue date May 31, 2005
- Renesas Technology Corp.
- Tatsuyuki Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Semiconductor integrated circuit
- Patent number 6,516,515
- Issue date Feb 11, 2003
- Hitachi, Ltd.
- Tatsuyuki Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Lead bonding machine for bonding leads of a chip disposed over a ca...
- Patent number 6,279,226
- Issue date Aug 28, 2001
- Hitachi, Ltd.
- Tatsuyuki Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Semiconductor device having strained superlattice buffer layers wit...
- Patent number 4,835,583
- Issue date May 30, 1989
- Hitachi, Ltd.
- Makoto Morioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having ultrahigh-mobility
- Patent number 4,796,068
- Issue date Jan 3, 1989
- Hitachi, Ltd.
- Yoshifumi Katayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser
- Patent number 4,759,030
- Issue date Jul 19, 1988
- Hitachi, Ltd.
- Yoshimasa Murayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Heterojunction FET with doubly-doped channel
- Patent number 4,673,959
- Issue date Jun 16, 1987
- Hitachi, Ltd.
- Yasuhiro Shiraki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor member and semiconductor device employing the same
- Patent number 4,672,406
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Yasushi Sawada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming passivated polycrystalline semiconductors
- Patent number 4,613,382
- Issue date Sep 23, 1986
- Hitachi, Ltd.
- Yoshifumi Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,605,945
- Issue date Aug 12, 1986
- Hitachi, Ltd.
- Yoshifumi Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,559,547
- Issue date Dec 17, 1985
- Hitachi, Ltd.
- Yasuhiro Shiraki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film solar cell
- Patent number 4,433,202
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Eiichi Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 4,351,856
- Issue date Sep 28, 1982
- Hitachi, Ltd.
- Makoto Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device with facet passivation film
- Patent number 4,337,443
- Issue date Jun 29, 1982
- Hitachi, Ltd.
- Jun-ichi Umeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-sensitive film
- Patent number 4,289,822
- Issue date Sep 15, 1981
- Hitachi, Ltd.
- Toshikazu Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor integrated circuit manufacturing method and bonding m...
- Publication number 20030084563
- Publication date May 8, 2003
- Hitachi, Ltd.
- Tatsuyuki Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Semiconductor integrated circuit manufacturing method and bonding m...
- Publication number 20010027606
- Publication date Oct 11, 2001
- Hitachi, Ltd.
- Tatsuyuki Ohkubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Yoshifumi Katayama

Person

Patents Grantslast 30 patents

Method of bonding inner leads to chip pads

Semiconductor integrated circuit

Lead bonding machine for bonding leads of a chip disposed over a ca...

Semiconductor device having strained superlattice buffer layers wit...

Semiconductor device having ultrahigh-mobility

Semiconductor laser

Heterojunction FET with doubly-doped channel

Semiconductor member and semiconductor device employing the same

Method of forming passivated polycrystalline semiconductors

Semiconductor device

Semiconductor device

Thin film solar cell

Semiconductor device and method of manufacturing the same

Semiconductor laser device with facet passivation film

Light-sensitive film

Patents Applicationslast 30 patents

Semiconductor integrated circuit manufacturing method and bonding m...

Semiconductor integrated circuit manufacturing method and bonding m...