Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12180564 | Plated steel sheet | Kohei Tokuda, Mamoru Saito, Yuto FUKUDA, Yasuto Goto, Yasuhiro Majima +5 more | 2024-12-31 |
| 11781200 | Plated steel | Kohei Tokuda, Takuya MITSUNOBU, Mamoru Saito, Yuto FUKUDA, Yasuto Goto +3 more | 2023-10-10 |
| 11078590 | Plated steel | Takashi FUTABA, Kiyokazu Ishizuka, Fumio Shibao, Ikuo Kikuchi, Hiroaki Uramoto +1 more | 2021-08-03 |
| 10837118 | Surface treated steel sheet for fuel tank | Kiyokazu Ishizuka, Noriyuki Maekawa, Hiroaki Uramoto, Ikuo Kikuchi, Kenichiro Matsumura | 2020-11-17 |
| 10513749 | Hot-rolled steel sheet and production method of therefor | Takeshi Toyoda, Riki Okamoto, Ryohta Niiya, Hiroshi Sakai | 2019-12-24 |
| 8263232 | Composite coated zinc-containing plated steel material superior in corrosion resistance, blackening resistance, coating adhesion, and alkali resistance | Yoshio Kimata, Atsushi Morishita, Akira Takahashi, Toshikazu Amemiya, Takayuki Kuwagaki +1 more | 2012-09-11 |
| 7029762 | Inorganic-organic composite-treated zinc-plated steel sheet | Kiyokazu Ishizuka, Atsushi Morishita, Koichi Saito, Motohiro Sasaki, Atsuhiko Tounaka | 2006-04-18 |
| 7011895 | Inorganic-organic composite-treated zinc-plated steel sheet | Kiyokazu Ishizuka, Koichi Saito, Motohiro Sasaki, Atsuhiko Tounaka | 2006-03-14 |
| 6649275 | Zinc phosphate-treated galvanized steel sheet excellent in corrosion resistance and color tone | Kiyokazu Ishizuka | 2003-11-18 |
| 6649282 | Surface treated steel product prepared by tin-based plating or aluminum-based plating | Shinichi Yamaguchi, Jun Maki, Teruaki Izaki, Masao Kurosaki, Hisaaki Sato +1 more | 2003-11-18 |
| 6596414 | Phosphate-treated galvanized steel sheet excellent in corrosion resistance and paintability | Kiyokazu Ishizuka, Kimitaka Hayashi | 2003-07-22 |
| 6465114 | -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same | Kazuhiko Honda, Kazumi Nishimura, Yasuhide Morimoto, Satoru Tanaka, Yoshihiro Suemune +7 more | 2002-10-15 |
| 6376092 | Surface-treated steel sheet and manufacturing method thereof | Kiyokazu Ishizuka, Kimitaka Hayashi, Daisuke Ito | 2002-04-23 |