Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260271 | Tubular body having integral branch tubes and method for producing the same | — | 2001-07-17 |
| 5916137 | Method for manufacture of major components for an exhaust system for a motorcar | — | 1999-06-29 |
| 5603533 | Tube flange assembly | — | 1997-02-18 |
| 5559308 | Perpendicularly joined structure with thin-walled plates and thin-walled tubes and the method of manufacture | — | 1996-09-24 |
| 5421624 | Flange joint assembly | Teruo Egami | 1995-06-06 |
| 5415443 | Pipe with flange for pipe fitting, pipe flange used therewith and method of joining said pipe with flange with pipe | — | 1995-05-16 |
| 5406688 | Pipe joining method | — | 1995-04-18 |
| 5277457 | Pipe joint | — | 1994-01-11 |