Masahiro Hirayama

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Ohmiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
IC communication card
- Patent number 6,016,962
- Issue date Jan 25, 2000
- ITT Manufacturing Enterprises, Inc.
- Eiichi Nakata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical wireless communication method and apparatus
- Patent number 5,903,369
- Issue date May 11, 1999
- LTEL Corporation
- Masahiro Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC communication card
- Patent number 5,736,727
- Issue date Apr 7, 1998
- Eiichi Nakata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical wireless communication method and apparatus
- Patent number 5,706,115
- Issue date Jan 6, 1998
- LTEL Corporation
- Masahiro Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rear portion of an optical communication card
- Patent number D370904
- Issue date Jun 18, 1996
- ITT Corporation
- Eiichi Nakata
- D14 - Recording, communication, or information retrieval equipment