Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078590 | Plated steel | Takashi FUTABA, Kiyokazu Ishizuka, Fumio Shibao, Ikuo Kikuchi, Hidetoshi Shindo +1 more | 2021-08-03 |
| 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 |