Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7029762 | Inorganic-organic composite-treated zinc-plated steel sheet | Kiyokazu Ishizuka, Hidetoshi Shindo, Atsushi Morishita, Koichi Saito, Motohiro Sasaki | 2006-04-18 |
| 7011895 | Inorganic-organic composite-treated zinc-plated steel sheet | Kiyokazu Ishizuka, Hidetoshi Shindo, Koichi Saito, Motohiro Sasaki | 2006-03-14 |
| 6388021 | Acrylic metal surface treatment composition with hydroxy and amino/ammonium functionality | Yasuhiro Shibata, Tomoyuki Kanda, Susumu Maekawa, Kiyotada Yasuhara | 2002-05-14 |
| 6146473 | Metal surface treatment composition containing an acrylic resin comprising a n-heterocycle ring, treatment method, and treated metal material | Yasuhiro Shibata, Tomoyuki Kanda, Susumu Maekawa, Kiyotada Yasuhara | 2000-11-14 |
| 6059174 | Flux composition for brazing of aluminum material and method for brazing of aluminum material | Masahiro Kojima, Futoshi Watanabe, Kiyotada Yasuhara, Hiroyuki Nojiri, Katsuyoshi Yamasoe | 2000-05-09 |
| 6013377 | Surface-treated metal material and metal surface treatment method | Tomoyuki Kanda, Yasuhiro Shibata, Toshiaki Shimakura, Kiyotada Yasuhara | 2000-01-11 |