Daiichi Koshuha Kogyo Kabushiki Kaisha
Patent Applications and Registrations
Patent applications and USPTO patent grants for Daiichi Koshuha Kogyo Kabushiki Kaisha.The latest application filed is for "induction heating method and apparatus for relieving residual stress in welded joint between main and branch pipes".
- Daiichi Koshuha Kogyo Kabushiki Kaisha - Tokyo JP
- Daiichi Koshuha Kogyo Kabushiki Kaisha - JA JA
| Patent | Date |
|---|---|
| Induction heating method and apparatus for relieving residual stress in welded joint between main and branch pipes Grant 4,694,131 - Ino , et al. September 15, 1 | 1987-09-15 |
| Method and apparatus for bending elongated materials Grant 4,195,506 - Kawanami , et al. April 1, 1 | 1980-04-01 |
| Bending method and apparatus with slidable clamp Grant 4,098,106 - Yamaguchi July 4, 1 | 1978-07-04 |
| Metal bending methods and apparatus Grant 4,062,216 - Hanamoto , et al. December 13, 1 | 1977-12-13 |
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