DF

Dai Feng

AP Aac Technologies Pte.: 4 patents #114 of 401Top 30%
IH Io-Mega Holding: 4 patents #62 of 308Top 25%
AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #138 of 263Top 55%
CM Chartered Semiconductor Manufacturing: 1 patents #419 of 840Top 50%
📍 San Diego, CA: #4,283 of 23,606 inventorsTop 20%
🗺 California: #60,666 of 386,348 inventorsTop 20%
Overall (All Time): #501,344 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10993034 Speaker and method for manufacturing speaker 2021-04-27
10979816 Speaker 2021-04-13
10924862 Micro sound device Jiasheng Zhou, Chenliang Kong 2021-02-16
10827278 Speaker Chenliang Kong 2020-11-03
10820107 Speaker 2020-10-27
6445523 Readable indelible mark on storage media Fred Charles Thomas, III, Refael Bar, Daniel Alfonsi, Jeff G. Carter, Charlie M. Monroe, Jr. +2 more 2002-09-03
6320717 Velocity limited loading of read heads onto disk drive media 2001-11-20
6317284 Head nudge and park peak current suppression Daniel Alfonsi 2001-11-13
6259575 Readable indelible mark on storage media Fred Charles Thomas, III, Refael Bar, Daniel Alfonsi, Jeff G. Carter, Charlie M. Monroe, Jr. +2 more 2001-07-10
6180430 Methods to reduce light leakage in LCD-on-silicon devices Sik On Kong, Yung-Tao Lin, Robert Tsai 2001-01-30