Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532454 | Electric working machine | Haruki TEJIMA, Takao Kuroyanagi, Masanori Higashi | 2020-01-14 |
| 9467037 | Electric power tool having a conductive elastic body connected to a yoke | Junichi Nishikimi, Yoshifumi Morita | 2016-10-11 |
| 8833221 | Electric power tool | Akifumi Tomita, Yusuke Hirata | 2014-09-16 |
| 7141733 | Karaoke apparatus, content reproducing apparatus, method of managing music piece data for a karaoke apparatus, and method of managing content data for content reproducing apparatus | Masakazu Fujishima, Minoru Ogita | 2006-11-28 |
| 6374979 | Karaoke system money counting machine and karaoke apparatus | Minoru Ogita | 2002-04-23 |
| 5899699 | Karaoke network system with endless broadcasting of song data through multiple channels | — | 1999-05-04 |
| 5803747 | Karaoke apparatus and method for displaying mixture of lyric words and background scene in fade-in and fade-out manner | Takurou Sone, Keizyu Anada, Hirokazu Kato | 1998-09-08 |
| 5400082 | Device for reducing noise in a composite video signal | — | 1995-03-21 |
| 5001690 | Tilt servo circuit for an optical disc playback device | Hiroyoshi Takanashi | 1991-03-19 |
| 4858216 | Optical pickup control device | — | 1989-08-15 |
| 4694441 | Position control device for an optical reproduction system in an optical type disc reproduction device | Norio Tomisawa, Shinji Aoshima | 1987-09-15 |
| 4348644 | Power amplifying circuit with changing means for supply voltage | — | 1982-09-07 |
| 4329657 | Amplifier with power supply switching | — | 1982-05-11 |