Shigeru Maruyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication terminal, communication method and program thereof
- Patent number 7,130,387
- Issue date Oct 31, 2006
- NEC Corporation
- Shigeru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of fabricating deflection aperture array for electron beam e...
- Patent number 6,313,023
- Issue date Nov 6, 2001
- Advantest Corporation
- Shigeru Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pulse generating circuit
- Patent number 6,232,807
- Issue date May 15, 2001
- NEC Corporation
- Shigeru Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Output buffer circuit having a variable output impedance
- Patent number 5,973,520
- Issue date Oct 26, 1999
- NEC Corporation
- Shigeru Maruyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pressure roller
- Patent number 5,782,730
- Issue date Jul 21, 1998
- Arai Seisakusho Co., Ltd.
- Hiroshi Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Signal line testing circuit causing no delay in transmission of a n...
- Patent number 5,570,058
- Issue date Oct 29, 1996
- NEC Corporation
- Shigeru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal output circuit of a push-pull type
- Patent number 4,739,198
- Issue date Apr 19, 1988
- NEC Corporation
- Shigeru Maruyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for preventing unauthorized use of an informat...
- Publication number 20040186725
- Publication date Sep 23, 2004
- NEC Corporation
- Shigeru Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Communication terminal, communication method and program thereof
- Publication number 20030091164
- Publication date May 15, 2003
- NEC Corporation
- Shigeru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE