Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504089 | System for and method of searching music data, and recording medium for use therewith | Kenichi Nagasawa, Yoshisuke Teshima, Toshihiro Sugikubo | 2003-01-07 |
| 5988314 | Sound output system | — | 1999-11-23 |
| D334750 | Loudspeaker | Allen Boothroyd | 1993-04-13 |
| 5144670 | Sound output system | — | 1992-09-01 |
| 4957184 | Loudspeaker enclosure | — | 1990-09-18 |
| 4894777 | Operator mental condition detector | Masao Hosaka | 1990-01-16 |
| 4870690 | Audio signal transmission system | Masao Hosaka | 1989-09-26 |
| 4252883 | Process for producing electrophotographic photosensitive member | Noboru Komura, Katsumobu Ohara, Yoshitaka Ohori | 1981-02-24 |