Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837118 | Surface treated steel sheet for fuel tank | Kiyokazu Ishizuka, Noriyuki Maekawa, Hidetoshi Shindo, Ikuo Kikuchi, Kenichiro Matsumura | 2020-11-17 |
| 10697067 | Steel sheet for a fuel tank | Kiyokazu Ishizuka, Noriyuki Maekawa, Masahiro Fuda, Ikuro Yamaoka, Kenichiro Matsumura | 2020-06-30 |
| 10688755 | Steel sheet for a fuel tank | Kiyokazu Ishizuka, Noriyuki Maekawa, Masahiro Fuda, Ikuro Yamaoka, Kenichiro Matsumura | 2020-06-23 |