| Our Main Products |
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| Established | August 1899 |
| Corporate | December 1933 |
| Capital | 785,000,000.yen |
| Employees | 170 |
| Directors | |
| President | Torao Unozawa |
| Executive director for Technical depr. | Shigeharu Kambe |
| Director for Financial dept. | Hiroshi Tamura |
| Director for Production dept. | Yoshio Hiraguri |
| Director for Technical dept. | Tsutomu Higuchi |
| Director for General affairs and Production control | Yoshimi Itoh |
| Director for Purchasing dept. | Isao Murakoshi |
| Director for Sales dept. | Toshiaki Saisho |
| Auditors | Reijiro Aizeki Tokio Sakagami Kohichi Mogi Hiromichi Ono |
| Head Office & Sales office | 36-40, Shimomaruko, 2-chome, Ohta-ku Tokyo 146-0092 Japan Tel +81-3-3759-8101 Fax +81-3-3759-8105 |
| Osaka sales office | Sakurabashi yachiyo Bldg,5-6 Umeda 2-Chome, Kita-ku,Osaka 530-0001 Japan Tel +81-6-6344-0747 Fax +81-6-6344-2405 |
| Tamagawa Factory | 36-40, Shimomaruko, 2-chome,Ohta-ku Tokyo 146-0092 Japan Tel +81-3-3759-4191 Fax +81-3-3759-4251 |