Sugiyama; Ichirou
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugiyama; Ichirou.The latest application filed is for "structure for screwing object on sheet metal".
- Sugiyama; Ichirou - Shiki JP
| Patent | Date |
|---|---|
| Structure for screwing object on sheet metal Grant 4,659,246 - Sugiyama April 21, 1 | 1987-04-21 |
| Method of making self tapping thread forming screw Grant 4,368,552 - Sugiyama January 18, 1 | 1983-01-18 |
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