Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942984 | Steel pipe with good magnetic properties and method of producing the same | Yasuhide Ishiguro, Yoshikazu Kawabata, Kei Sakata, Masayuki Sakaguchi, Masayoshi Ishida +1 more | 2011-05-17 |
| 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, Motoaki Itadani +2 more | 2004-05-18 |