Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562474 | Coated steel sheet having excellent corrosion resistance and method for producing the same | Naoto Yoshimi, Satoru Ando, Akihiko Furuta, Masaaki Yamashita, Akira Matsuzaki +6 more | 2003-05-13 |
| 6509099 | Phosphate-treated steel plate | Kazuya Urata, Takahiro Kubota, Satoru Ando, Tatsuya Miyoshi, Masaaki Yamashita | 2003-01-21 |
| 6280535 | Manufacturing process on chromate-coated lead-containing galvanized steel sheet with anti-black patina property and anti-white rust property | Tatsuya Miyoshi, Takahiro Kubota, Yoshiharu Sugimoto, Masaaki Yamashita | 2001-08-28 |
| 6219482 | Metallic tubes for housing optical fibers and process for producing the same | Akira Matsuzaki, Yoshiharu Sugimoto, Yasunori Yoshie | 2001-04-17 |
| 6136455 | Coating composition for precoated steel sheet, precoated steel sheet, and process for preparing the same | Takashi Anyashiki, Keiji Yoshida, Masaaki Yamashita, Yasuyuki Kajita, Hiroyuki Kato +5 more | 2000-10-24 |
| 6129995 | Zinciferous coated steel sheet and method for producing the same | Satoshi Hashimoto, Toru Imokawa, Michitaka Sakurai, Takayuki Urakawa, Junichi Inagaki | 2000-10-10 |
| 5518769 | Process for manufacturing galvannealed steel sheet having excellent anti-powdering property | Masaki Abe, Junichi Inagaki, Akira Hiraya, Masaya Morita | 1996-05-21 |
| 5409553 | Process for manufacturing galvannealed steel sheets having high press-formability and anti-powdering property | Masaki Abe, Junichi Inagaki, Akira Hiraya, Masaya Morita | 1995-04-25 |
| 5316652 | Method for manufacturing iron-zinc alloy plated steel sheet having two plating layers and excellent in electropaintability and pressformability | Masaki Abe, Akira Hiraya, Junichi Inagaki, Masaya Morita | 1994-05-31 |
| 5225067 | Method for manufacturing iron-zinc alloy plated steel sheet having two plating layers and excellent in electropaintability and press-formability | Masaki Abe, Akira Hiraya, Junichi Inagaki, Masaya Morita | 1993-07-06 |
| 5202012 | Method for manufacturing zinciferous electroplated steel sheet excellent in press-formability | Masaki Abe, Yukimitsu Shiohara | 1993-04-13 |
| 5006420 | Electroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivity | Tsutomu Watanabe, Masaki Kawabe, Masaya Morita | 1991-04-09 |
| 4929324 | Apparatus for removing electroplating metal deposited onto surface of conductor roll | Tsutomu Watanabe, Masaki Kawabe, Toshiyuki Tsujihara, Shigehiro Takushima | 1990-05-29 |
| 4904545 | Composite electroplated steel sheet | Yukimitsu Shiohara | 1990-02-27 |
| 4601801 | Vertical type electro-galvanizing apparatus | Shuzo Fukuda, Yutaka Ohkubo, Toshio Ishii, Akira Tonouchi | 1986-07-22 |
| 4543300 | Iron-zinc alloy electro-galvanized steel sheet having a plurality of iron-zinc alloy coatings | Tomihiro Hara, Takeshi Adaniya, Tsutomu Watanabe, Takashi Shimoma, Masaru Nabatame | 1985-09-24 |