Asahi Kasei Corporation
Audix Corporation        Taiwan, China 
Daikin Industories. Ltd.
DX Antena Co., Ltd.     
Ferrotec Corporation    
Hitachi Kokusai Electric, Inc. 
Hitachi ULSI Systems Co., Ltd.          
Japan Radio Co., Ltd.   
Koden Electronics Co., Ltd.     
Konicaminolta Opto, Inc.
Konicaminolta Business Technology, Inc.         
Luxman Corporation
Mitsubishi Cable Industries.Ltd.
NEC Accesstechnica, Ltd. 
NEC Computertechno, Ltd. 
NEC Corporation
NEC Customtechnica, Ltd. 
NEC Engineering, Ltd. 
NEC Factory Engineering, Ltd. 
NEC Fielding, Ltd. 
NEC Infrontia Corporation
NEC Mobiling, Ltd. 
New Japan Radio Co., Ltd. 
Noritake Itron Corporation
Onkyo Electronics Corporation.
Optrex Corporation
Panasonic Mobile Communications Co., Ltd. 
Pioneer Corporation
Shinko Denshi Co., Ltd.  
SMK Corporation 
Tamura Corporation      
Tanita Corporation      
Toshiba TEC Corporation 
Ueda Japan Radio Co., Ltd.      
Yaskawa Electric Corporation