| Aucnet Inc. |
| Canon Inc. |
| Dai Nippon Printing Co., Ltd. |
| DAIKOKU DENKI CO., LTD. |
| Fuji Xerox Co., Ltd. |
| FUJITSU LIMITED |
| FUJITSU TEN LIMITED |
| FUNAI ELECTRIC CO., LTD. |
| FURUNO ELECTRIC CO., LTD. |
| Hitachi ULSI Systems Co., Ltd. |
| I-O DATA DEVICE, INC. |
| KAGA ELECTRONICS CO.,LTD. |
| KDDI Technology Corporation |
| Konica Minolta Technology Center, Inc. |
| KYOCERA MITA CORPORATION |
| MintWave Co.,Ltd. |
| Mizuho Information & Research Institute, Inc. |
| NEC Corporation |
| NEC Learning, Ltd. |
| NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
| NTT Communications Corporation |
| NTT DoCoMo,Inc. |
| Olympus Imaging Corp. |
| OMRON Corporation |
| Panasonic Corporation |
| Panasonic Electric Works Co., Ltd. |
| Panasonic Learning Systems Co., Ltd. |
| PFU LIMITED |
| Plat'Home Co.,Ltd. |
| Renesas Electronics Corporation |
| SANYO Electric Co.,Ltd. |
| SEIKO EPSON CORPORATION |
| Sharp Corporation |
| SOFTBANK BB Corp. |
| SOFTBANK MOBILE Corp. |
| Sony Corporation |
| Sumitomo Metal Industries, Ltd. |
| TERAOKASEIKO CO.,LTD. |
| Texas Instruments Japan Limited |
| TOSHIBA CORPORATION |
| Victor Company of Japan, Limited (JVC) |
