Akio Shinagawa

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cellular phone
- Patent number 7,197,149
- Issue date Mar 27, 2007
- Hitachi, Ltd.
- Ryota Mita
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Portable mobile unit
- Patent number 6,928,306
- Issue date Aug 9, 2005
- Hitachi, Ltd.
- Masayuki Matsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of communications between telephone and facsimile apparatus...
- Patent number 5,748,715
- Issue date May 5, 1998
- Hitachi, Ltd.
- Tetsuo Shinagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Portable mobile unit
- Publication number 20050181838
- Publication date Aug 18, 2005
- Hitachi, Ltd
- Masayuki Matsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information processing system, information processing method, progr...
- Publication number 20030097334
- Publication date May 22, 2003
- Hitachi, Ltd.
- Shinichi Obata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Portable mobile unit
- Publication number 20010014616
- Publication date Aug 16, 2001
- Masayuki Matsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE