Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404547 | Steel for high-strength spring, method for producing same, and high-strength spring | Hideki Okada, Akira Tange, Isao Sumiyoshi | 2016-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404547 | Steel for high-strength spring, method for producing same, and high-strength spring | Hideki Okada, Akira Tange, Isao Sumiyoshi | 2016-08-02 |