Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153348 | Hexavalent chromium-free surface-treating agent for Sn or Al-based coated steel sheet, and surface treated steel sheet | Masahiro Fuda, Mitsuru Nakamura, Katsuyuki Kawakami, Kensuke Mizuno | 2006-12-26 |
| 6908693 | Sn-based metal-coated steel strip excellent in appearance and process for producing same | Seiji Sugiyama, Masao Kurosaki, Yasuto Goto, Yusho Oyama, Tomohide Kamiyama | 2005-06-21 |
| 6673472 | Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming | Jun Maki, Masahiro Fuda, Tetsurou Takeshita, Nobyoshi Okada, Takayuki Ohmori | 2004-01-06 |
| 6649282 | Surface treated steel product prepared by tin-based plating or aluminum-based plating | Shinichi Yamaguchi, Jun Maki, Masao Kurosaki, Hisaaki Sato, Hidetoshi Shindo +1 more | 2003-11-18 |
| 6361881 | Preservative steel plate having high resistance weldability, corrosion resistance and press formability for automobile fuel tanks | Jun Maki, Masahiro Fuda, Nobuyoshi Okada, Takayuki Ohmori | 2002-03-26 |
| 5927536 | Metal easy open can lid superior in can openability and process for production of thereof | Yashichi Oyagi, Kouji Manabe, Hiroshi Nishida, Takehide Senuma, Hiroshi Itoh +3 more | 1999-07-27 |
| 5230750 | Chromating method of zinc-based plated steel sheet | Yoshio Shindou, Motoo Kabeya, Shiro Fujii, Makoto Yoshida, Takao Ogino +2 more | 1993-07-27 |
| 5082536 | Method of producing a high corrosion resistant plated composite steel strip | Makoto Yoshida, Masami Osawa, Seijun Higuchi, Sato Hisaaki | 1992-01-21 |
| 4960652 | Grain-oriented electrical steel sheet having a low watt loss | Toshiya Wada, Osamu Tanaka, Takatoshi Egawa, Makato Yoshida, Seizun Higuchi | 1990-10-02 |
| 4910095 | High corrosion resistant plated composite steel strip | Makoto Yoshida, Masami Osawa, Seijun Higuchi, Sato Hisaaki | 1990-03-20 |
| 4863531 | Method for producing a grain-oriented electrical steel sheet having a low watt loss | Toshiya Wada, Osamu Tanaka, Takatoshi Egawa, Makoto Yoshida, Seizun Higuchi | 1989-09-05 |
| 4846939 | Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss | Makoto Yoshida, Seijun Higuchi, Osamu Tanaka | 1989-07-11 |
| 4800134 | High corrosion resistant plated composite steel strip | Makoto Yoshida, Masami Osawa, Seijun Higuchi, Akinori Maruta | 1989-01-24 |