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Kazuyoshi Hijii
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Portable cellular phone capable of detecting its folding state
Patent number
6,922,573
Issue date
Jul 26, 2005
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cordless telephone system and method for transferring caller line i...
Patent number
6,597,905
Issue date
Jul 22, 2003
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for recording and replaying messages
Patent number
6,480,579
Issue date
Nov 12, 2002
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable telephone equipment and control method therefor
Patent number
6,459,911
Issue date
Oct 1, 2002
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal display unit and illuminating control method of pict...
Patent number
5,903,327
Issue date
May 11, 1999
NEC Corporation
Kazuyoshi Hijii
G02 - OPTICS
Information
Patent Grant
Data check method for an external memory and check system for an ex...
Patent number
5,748,886
Issue date
May 5, 1998
NEC Corporation
Kazuyoshi Hijii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
TDMA mobile telephone apparatus
Patent number
5,604,745
Issue date
Feb 18, 1997
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Cellular phone
Publication number
20030036405
Publication date
Feb 20, 2003
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile wireless terminal device capable of informing with varied co...
Publication number
20030027605
Publication date
Feb 6, 2003
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable cellular phone
Publication number
20020119802
Publication date
Aug 29, 2002
NEC Corporation
Kazuyoshi Hijii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR RECORDING AND REPLAYING MESSAGES
Publication number
20020067804
Publication date
Jun 6, 2002
KAZUYOSHI HIJII
H04 - ELECTRIC COMMUNICATION TECHNIQUE