Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Michael J. Kohut — 12 Patents

Sony: 22 patents #1,822 of 25,231Top 8%
Ojai, CA: #13 of 176 inventorsTop 8%
California: #50,852 of 386,348 inventorsTop 15%
Overall (All Time): #428,265 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6154545 Method and apparatus for two channels of sound having directional cues James Mercs, Laura Mercs, Paul M. Embree, Paul Nigel Wood 2000-11-28
6067361 Method and apparatus for two channels of sound having directional cues James Mercs, Laura Mercs, Paul M. Embree, Paul Nigel Wood 2000-05-23
5802181 Theater sound system with upper surround channels Yoshio Ozaki 1998-09-01
5748746 Ceiling speaker and signal source Yoshio Ozaki 1998-05-05
5717765 Theater sound system with upper surround channels Yoshio Ozaki 1998-02-10
5677752 Digital sound recording on motion picture film Shinji Miyamori, Masatoshi Ueno, Matayasu Kubo, Kenji Takanashi, Toshiaki Setogawa +1 more 1997-10-14
5677753 Digital sound recording on motion picture film Shinji Miyamori, Masatoshi Ueno, Matayasu Kubo, Kenji Takanashi, Toshiaki Setogawa +1 more 1997-10-14
5621489 Medium having photographically recorded digital audio bits Dana Wood, Paul Nigel Wood, Jeff Taylor, Leroy Reese, Aram Tanielian +3 more 1997-04-15
5617158 Digital sound recording on motion picture film Shinji Miyamori, Masatoshi Ueno, Matayasu Kubo, Kenji Takanashi, Toshiaki Setogawa +1 more 1997-04-01
5602923 Theater sound system with upper surround channels Yoshio Ozaki 1997-02-11
5453802 Method and apparatus for photographically recording digital audio and a medium having photographically recorded digital sountracks Dana Wood, Paul Nigel Wood, Jeff Taylor, Leroy Reese, Aram Tanielian +3 more 1995-09-26
5327182 Method and apparatus for reading photographically recorded digital audio soundtracks Dana Wood, Paul Nigel Wood, Jeff Taylor, Leroy Reese, Aram Tanielian +3 more 1994-07-05