Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590212 | Diaphragm for a capacitance type loudspeaker | Masaru Uryu, Kunihiko Tokura, Ikuo Chatani, Mamoru Ito | 1996-12-31 |
| 4607439 | Laminated sheet and a method for producing the same | Yoji Sogabe, Katsumi Uchida | 1986-08-26 |