Masao Akimoto

Decryption apparatus for use in encrypted communications

Error informing apparatus and error informing method

Common security key generation apparatus

Data communication apparatus and internet facsimile apparatus

Encryption error monitoring system and method for packet transmission

Communication terminal apparatus, internet facsimile apparatus, and e-mail receiving method

Internet facsimile apparatus and printing method using the same

Reed type electromechanical filter device

Email communication system naming using a specific identification character in addition to a complete address for performing a predetermined process

E-mail/facsimile communication apparatus and method