Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351925 | Steel plate having excellent acid dew point corrosion resistance, method of production, and exhaust gas channel constituent member | Yukio Katagiri, Susumu Fujiwara | 2019-07-16 |
| 9847168 | Method for manufacturing steel sheet for rotor core for IPM motor | Tomonaga Iwatsu, Yukio Katagiri, Susumu Fujiwara | 2017-12-19 |
| 6544356 | Steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof | Yukio Katagiri, Seiichi Hamanaka, Nobuo Ozawa, Takahide Sanma | 2003-04-08 |