Hirohiko Izumi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory device and method of producing the same
- Patent number 7,064,029
- Issue date Jun 20, 2006
- United Microelectronics Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and method of producing the same
- Patent number 6,838,333
- Issue date Jan 4, 2005
- United Microelectronics Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating semiconductor storage device having a capacitor
- Patent number 6,461,912
- Issue date Oct 8, 2002
- Nippon Steel Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and method of producing the same
- Patent number 6,392,264
- Issue date May 21, 2002
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor storage device including short circuit avoiding struc...
- Patent number 6,255,686
- Issue date Jul 3, 2001
- Nippon Steel Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polishing abrasive grains, polishing agent and polishing method
- Patent number 6,022,400
- Issue date Feb 8, 2000
- Nippon Steel Corporation
- Hirohiko Izumi
- B24 - GRINDING POLISHING
Information Patent Grant
Flattening method and apparatus for semiconductor device
- Patent number 5,877,088
- Issue date Mar 2, 1999
- Nippon Steel Corporation
- Yamato Samitsu
- B24 - GRINDING POLISHING
Information Patent Grant
Semiconductor memory device and method for fabricating the same
- Patent number 5,644,151
- Issue date Jul 1, 1997
- Nippon Steel Corporation
- Hirohiko Izumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for forming a thin metal film by chemical vapor deposition
- Patent number 5,306,666
- Issue date Apr 26, 1994
- Nippon Steel Corporation
- Hirohiko Izumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser ablation method for forming oxide superconducting films
- Patent number 5,281,575
- Issue date Jan 25, 1994
- International Superconductivity Technology Center
- Takashi Hase
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor memory device and method of producing the same
- Publication number 20050145917
- Publication date Jul 7, 2005
- United Microelectronics Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor memory device and method of producing the same
- Publication number 20020106854
- Publication date Aug 8, 2002
- Nippon Steel Corporation
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor storage device and method of fabricating thereof
- Publication number 20020070401
- Publication date Jun 13, 2002
- NIPPON STEEL CORPORATION
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND METHOD OF PRODUCING THE SAME
- Publication number 20020003246
- Publication date Jan 10, 2002
- HIDEKI TAKEUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor storage device and method of fabricating thereof
- Publication number 20010024854
- Publication date Sep 27, 2001
- Hideki Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS

Hirohiko Izumi

Person

Patents Grantslast 30 patents

Semiconductor memory device and method of producing the same

Semiconductor memory device and method of producing the same

Method of fabricating semiconductor storage device having a capacitor

Semiconductor memory device and method of producing the same

Semiconductor storage device including short circuit avoiding struc...

Polishing abrasive grains, polishing agent and polishing method

Flattening method and apparatus for semiconductor device

Semiconductor memory device and method for fabricating the same

Process for forming a thin metal film by chemical vapor deposition

Laser ablation method for forming oxide superconducting films

Patents Applicationslast 30 patents

Semiconductor memory device and method of producing the same

Semiconductor memory device and method of producing the same

Semiconductor storage device and method of fabricating thereof

SEMICONDUCTOR MEMORY DEVICE AND METHOD OF PRODUCING THE SAME

Semiconductor storage device and method of fabricating thereof