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USPTO Patent Rankings Data through Dec 31, 2025
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John S. Kitamura — 9 Patents

AMD: 9 patents #1,494 of 9,280Top 20%
Toronto, CA: #856 of 9,482 inventorsTop 10%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John S. Kitamura has been granted 9 US patents while listed as an inventor at AMD. The first was granted in 1998 and the most recent in April 2004. John S. Kitamura ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John S. Kitamura in Toronto, ON, CA.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6728584 Synchronization and mixing of multiple streams at different sampling rates Tieying Duan, Vladimir F. Giemborek 2004-04-27 $13,099,000
6704421 Automatic multichannel equalization control system for a multimedia computer 2004-03-09 $14,220,000
6674864 Adaptive speaker compensation system for a multimedia computer system 2004-01-06 $9,039,000
6195435 Method and system for channel balancing and room tuning for a multichannel audio surround sound speaker system 2001-02-27 $4,611,000
6055502 Adaptive audio signal compression computer system and method 2000-04-25 $29,036,000
5987106 Automatic volume control system and method for use in a multimedia computer system 1999-11-16 $13,290,000
5923316 Optimized color space conversion Andreas Thut, Indra Laksono 1999-07-13 $41,853,000
5835375 Integrated MPEG audio decoder and signal processor 1998-11-10
5742272 Accelerated full screen video playback Indra Laksono, Adrian Hartog 1998-04-21