Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398270 | Corrugated pipe joint | Hiroyuki Amatsutsu, Yasuhiro Kikumori | 2002-06-04 |
| 6347646 | Flexible hose | Hiroyuki Amatsutsu | 2002-02-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398270 | Corrugated pipe joint | Hiroyuki Amatsutsu, Yasuhiro Kikumori | 2002-06-04 |
| 6347646 | Flexible hose | Hiroyuki Amatsutsu | 2002-02-19 |