Hirohisa Koyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication terminal, reception notifying method, and computer-re...
- Patent number 7,844,302
- Issue date Nov 30, 2010
- Casio Hitachi Mobile Communications Co., Ltd.
- Hirohisa Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging apparatus with communication function, image data storing m...
- Patent number 7,130,394
- Issue date Oct 31, 2006
- Casio Computer Co., Ltd.
- Hirohisa Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processor for displayed message, balloon, and character's face
- Patent number 5,943,049
- Issue date Aug 24, 1999
- Casio Computer Co., Ltd.
- Kunihiro Matsubara
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Communication terminal, reception notifying method, and computer-re...
- Publication number 20070086064
- Publication date Apr 19, 2007
- Casio Hitachi Mobile Communications Co., Ltd.
- Hirohisa Koyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data communications device, image transmission method and image tra...
- Publication number 20040239686
- Publication date Dec 2, 2004
- CASIO COMPUTER CO., LTD.
- Hirohisa Koyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Imaging apparatus with communication function, image data storing m...
- Publication number 20040207722
- Publication date Oct 21, 2004
- CASIO COMPUTER CO., LTD.
- Hirohisa Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE