Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7676054 | Contoured passive radiator and loudspeaker incorporating same | J. Dwidjaja Setiabudi, Adisusanto, Andi Sudaryono, Hadi Prayitno, Indrayana +1 more | 2010-03-09 |
| 6338395 | Kapok loudspeaker enclosure damping material | J. Dwidjaja Setiabudi, J. Dwidjaja Adisusanto, Nafis Dwi CW, J. Dwidjaja Sutarno | 2002-01-15 |