Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10645482 | Input device | Kazuhiro Akaike | 2020-05-05 |
| 10299026 | Input device | Kazuhiro Akaike | 2019-05-21 |
| 8842850 | Input device | Kazuhiro Akaike | 2014-09-23 |
| 6175637 | Acoustic transducer | Masao Fujihira, Makoto Yamagishi, Jun Kishigami, Kenji Tokushige, Ikuo Shinohara | 2001-01-16 |
| 6160894 | Speaker apparatus and sound reproduction system employing same | Jun Kishigami, Masao Fujihira | 2000-12-12 |
| 6035052 | Acoustic transducer | Masao Fujihira, Makoto Yamagishi, Jun Kishigami, Ikuo Shinohara | 2000-03-07 |
| 5909496 | Speaker apparatus | Jun Kishigami, Masao Fujihira | 1999-06-01 |
| 5862237 | Speaker apparatus | Jun Kishigami, Masao Fujihira | 1999-01-19 |
| 5668883 | Headphone apparatus including an equalizer system having an open loop characteristic with a rising slope outside the cancellation band | Kensaku Abe | 1997-09-16 |
| 5432874 | Duplex optical fiber link | — | 1995-07-11 |