Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346561 | Spheroidal graphite cast iron member having improved mechanical strength hand method of producing same | Fumio Obata, Hisashi Yasuda, Hideaki Nagayoshi, Kouhei Imanishi, Toshiki Yoshida | 1994-09-13 |