Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495534 | Audio signal reproducing apparatus | Kiyofumi Inanaga, Yasuhiro Iida, Yabe Susumu | 1996-02-27 |
| 5452359 | Acoustic signal reproducing apparatus | Kiyofumi Inanaga, Yasuhiro Iida, Susumu Yabe | 1995-09-19 |
| 5276740 | Earphone device | Kiyofumi Inanaga, Yasuhiro Iida, Akira Kimura | 1994-01-04 |
| 5228089 | Hearing aid | Kiyofumi Inanaga, Masayoshi Miura, Yasuhiro Iida | 1993-07-13 |
| 5181248 | Acoustic signal reproducing apparatus | Kiyofumi Inanaga, Yashuhiro Iida, Susumu Yabe | 1993-01-19 |
| 5062140 | Induction speaker | Kiyofumi Inanaga, Shiro Tsukamoto | 1991-10-29 |
| 5022486 | Sound reproducing apparatus | Masayoshi Miura, Kiyofumi Inanaga, Yasuhiro Iida | 1991-06-11 |
| 4726443 | Diaphragm | Masana Ugaji, Shinichi Watanabe, Nobuo Fuke, Masatsugu Maejima, Koichi Saruwatari | 1988-02-23 |