| ISHIZUKA GLASS CO.,LTD. |
| ITOCHU CORPORATION |
| EZAKI GLICO CO.,LTD. |
| KYOCERA CORPORATION |
| KOBAYASHI CREATE CO.,LTD. |
| SHIKI CORPORATION |
| SHINRYO CO.,LTD. |
| DAIICHI JITSUGYO CO.,LTD. |
| TORAY ENGINEERING CO.,LTD. |
| NICHICON CORPORATION |
| NIPPON ELECTRIC GLASS CO.,LTD. |
| PANASONIC CORPORATION |
| PANASONIC SEMICONDUCTOR DISCRETE DEVICES CO.,LTD. |
| PANASONIC ELECTRIC WORKS CO.,LTD. |
| FUJI MACHINERY CO.,LTE. |
| YONEI & CO.,LTD. |
| ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY |
| - |
| IMAC CO.,LTD. |
| CCS INC. |
| DAIWA MUSEN DENKI CO.,LTD. |
| TAKENAKA SYSTEM CO.,LTD. |
| NIKON INSTECH CO.,LTD. |
| NIPPON ELECTRO-SENSORY DEVICES CO.,LTD. |
| HITACHI KOKUSAI ELECTRIC INC. |
| UNIDUX INC. |
| - |
| Additionally a lot. |
