Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755919 | Stainless steel tube for automobile structure | Takaaki Toyooka, Akira Yorifuji, Makoto Kitazawa, Yoshikazu Kawabata, Masatoshi Aratani +1 more | 2004-06-29 |
| 6736910 | High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same | Takaaki Toyooka, Yoshikazu Kawabata, Akira Yorifuji, Masanori Nishimori, Takatoshi Okabe +2 more | 2004-05-18 |