Hamamoto, Koji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamamoto, Koji.The latest application filed is for "welding condition inputting equipment".
- Hamamoto, Koji - Hyogo JP
- Hamamoto; Koji - Takarazuka JP
| Patent | Date |
|---|---|
| Welding condition inputting equipment App 20020023721 - Kawamoto, Atsuhiro ; et al. | 2002-02-28 |
| Method of controlling pulse output and consumable electrode type pulse arc welding device Grant 6,225,597 - Kawamoto , et al. May 1, 2 | 2001-05-01 |
| Arc welding machine Grant 5,270,516 - Hamamoto , et al. December 14, 1 | 1993-12-14 |
| Pulsed arc welding machine Grant 5,017,757 - Kawai , et al. May 21, 1 | 1991-05-21 |
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