Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386509 | Back pressure control valve | Hironori Mastuzawa | 2002-05-14 |
| 6354636 | Tube connecting structure | Hironori Matsuzawa | 2002-03-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386509 | Back pressure control valve | Hironori Mastuzawa | 2002-05-14 |
| 6354636 | Tube connecting structure | Hironori Matsuzawa | 2002-03-12 |