Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601493 | Drive shaft made of fiber reinforced plastics, and method for connecting pipe made of fire-reinforced plastics | Akiko Nakazono, Yoshifumi Nakano, Kohji Yamatsuta, Yasuo Shinohara | 1997-02-11 |