Pumpkin House Incorporated

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Encryption system and control method thereof
- Patent number 7,272,230
- Issue date Sep 18, 2007
- Pumpkin House Incorporated
- Minoru Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enciphering/deciphering device and method, and encryption/decryptio...
- Patent number 5,870,477
- Issue date Feb 9, 1999
- Pumpkin House Incorporated
- Minoru Sasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Copying machine with encryption function
- Patent number 5,512,977
- Issue date Apr 30, 1996
- Pumpkin House Incorporated
- Hideki Imai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE