Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340396 | Flux cored wire for welding duplex stainless steel | Tsuneshi Ogawa, Toshiharu Maruyama, Haruya Kozuki | 2002-01-22 |
| 5914061 | High nitrogen flux cored wire for all position welding of Cr-Ni type stainless steel | Tsuneshi Ogawa, Toshiharu Maruyama, Shigeki Nishiyama | 1999-06-22 |
| 5861605 | High nitrogen flux cored welding wire for Cr-Ni type stainless steel | Tsuneshi Ogawa, Toshiharu Maruyama, Shigeki Nishiyama | 1999-01-19 |
| 5854462 | Stainless-steel flux cored wire electrode | Tsuneshi Ogawa, Teru Haginoya, Toshiharu Maruyama, Shigeki Nishiyama | 1998-12-29 |