Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718915 | Shielding gases for MAG-welding of galvanized steel sheets and welding method using the same | Katsunori Wada | 2010-05-18 |
| 6730439 | Heat-resistant separator | Masaki Yamazaki | 2004-05-04 |
| 5637271 | Method of producing non-woven fabrics for use in filters | Makoto Suzuki, Hidetoshi Takeuchi | 1997-06-10 |
| 5609947 | Laminated non-woven fabric filtering medium and method for producing same | Hidetoshi Takeuchi, Makoto Suzuki | 1997-03-11 |