Minoru Maruyama

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Patents Grantslast 30 patents

Information Patent Grant
Mobile communication method, and mobile telephone switching station...
- Patent number 6,064,879
- Issue date May 16, 2000
- Fujitsu Limited
- Shuuji Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of mobile unit registration and method of IC card registrati...
- Patent number 5,883,960
- Issue date Mar 16, 1999
- Fujitsu Limited
- Minoru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information guiding system and method of preventing borrower of por...
- Patent number 5,732,326
- Issue date Mar 24, 1998
- Fujitsu Limited
- Minoru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile unit and a method for enabling a dial lock in the mobile unit
- Patent number 5,646,604
- Issue date Jul 8, 1997
- Fujitsu Limited
- Minoru Maruyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Exchange system having originating call restriction function
- Patent number 4,907,256
- Issue date Mar 6, 1990
- Fujitsu Limited
- Mamoru Higuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE