Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000828 | Process for producing one-side electrogalvanized steel sheet with distinguished susceptibility to phosphate salt treatment and distinguished appearance on the non-electrogalvanized side | Yoshio Shindou, Shirou Fujii | 1991-03-19 |
| 4956025 | Process for producing cold-rolled high strength steel sheet having excellent formability and conversion-treatability | Kazuo Koyama, Kaoru Kawasaki, Atsushi Itami, Nobuhiko Matsuzu | 1990-09-11 |
| 4705726 | Anticorrosive weldable coated steel | Yoshio Shindou, Joji Oka, Yujiro Miyauchi, Fumio Yamazaki | 1987-11-10 |