Hirotsugu Kojima

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Patents Grantslast 30 patents

Information Patent Grant
Wireless communication system and microcomputer
- Patent number 7,212,786
- Issue date May 1, 2007
- Renesas Technology Corporation
- Hirotsugu Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor integrated circuit and electronic system
- Patent number 7,185,244
- Issue date Feb 27, 2007
- Renesas Technology Corp.
- Hirotsugu Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus, reproduction signal p...
- Patent number 5,400,189
- Issue date Mar 21, 1995
- Hitachi, Ltd.
- Naoki Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor operation device with memory for storing operation co...
- Patent number 5,235,538
- Issue date Aug 10, 1993
- Hitachi, Ltd.
- Norio Sumi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital filter circuit
- Patent number 5,222,035
- Issue date Jun 22, 1993
- Hitachi, Ltd.
- Junko Nakase
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multimedia bidirectional broadcast system
- Patent number 5,027,400
- Issue date Jun 25, 1991
- Hitachi Ltd.
- Toru Baji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
High speed digital signal processor capable of achieving realtime o...
- Patent number 4,945,506
- Issue date Jul 31, 1990
- Hitachi, Ltd.
- Toru Baji
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Semicondutor integrated circuit and electronic system
- Publication number 20040264227
- Publication date Dec 30, 2004
- RENESAS TECHNOLOGY CORP.
- Hirotsugu Kojima
- G11 - INFORMATION STORAGE
Information Patent Application
Wireless communication system and microcomputer
- Publication number 20040203389
- Publication date Oct 14, 2004
- Hirotsugu Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE