Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690756 | Method for producing cast iron gear | Yasuyuki Fujiwara, Izuru Yamamoto, Masazumi Onishi, Toshiaki Tanaka, Yoshinari Tsuchiya | 1997-11-25 |
| 5632827 | Aluminum alloy and process for producing the same | Hironori Fujita, Fumio Nonoyama | 1997-05-27 |