Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283027 | Method of molding an acoustic diaphragm part of para aromatic polyamide | Yoshio Sakamoto, Yuji Yabuki, Shigemitsu Muraoka | 1994-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283027 | Method of molding an acoustic diaphragm part of para aromatic polyamide | Yoshio Sakamoto, Yuji Yabuki, Shigemitsu Muraoka | 1994-02-01 |