Ohta; Mutsumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ohta; Mutsumi.The latest application filed is for "error diffusion processing circuit for an image signal which improves an output image".

Company Profile

0.15.3

Ohta; Mutsumi - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Error diffusion processing circuit for an image signal which improves an output image Grant 7,339,706 - Ohta March 4, 2	2008-03-04
Broadcast verification system, broadcast verification method, broadcast verification apparatus and storage medium storing broadcast verification program Grant 6,880,082 - Ohta April 12, 2	2005-04-12
Error diffusion processing circuit for an image signal which improves an output image App 20030218778 - Ohta, Mutsumi	2003-11-27
Digital watermark insertion system and digital watermark characteristic table creating device App 20020097892 - Oami, Ryoma ; et al.	2002-07-25
Digital watermark insertion system and digital watermark characteristic table creating device Grant 6,415,041 - Oami , et al. July 2, 2	2002-07-02
Broadcast verification system, broadcast verification method, broadcast verification apparatus and storage medium storing broadcast verification program App 20020044659 - Ohta, Mutsumi	2002-04-18
Lossless transform coding system for digital signals Grant 5,999,957 - Ohta December 7, 1	1999-12-07
System and method for motion compensation on sub-band represented signals of motion picture Grant 5,719,627 - Ohta February 17, 1	1998-02-17
Lossless transform coding system for digital signals Grant 5,703,799 - Ohta December 30, 1	1997-12-30
Device for subband coding with samples scanned across frequency bands Grant 5,396,237 - Ohta March 7, 1	1995-03-07
Predictive coding device capable of coding image data signals without a discontinuity among blocks Grant 5,355,378 - Ohta October 11, 1	1994-10-11
Image processing system operable in cooperation with a recording medium Grant 4,969,039 - Koga , et al. November 6, 1	1990-11-06
Method of coding a digital video signal for reverse reproduction of pictures Grant 4,942,465 - Ohta July 17, 1	1990-07-17
Recording system for recording on a ROM image signal information which has been subjected to efficient redundancy coding Grant 4,942,476 - Koga , et al. July 17, 1	1990-07-17
Image processing system for recording or reproducing an image signal sequence which has been encoded by employing two predictive coding methods and combining the results of those methods Grant 4,931,879 - Koga , et al. June 5, 1	1990-06-05
Encoding system capable of accomplishing a high efficiency by anterior and/or posterior processing to quantization Grant 4,908,862 - Kaneko , et al. March 13, 1	1990-03-13
Moving image signal coding system Grant 4,837,618 - Hatori , et al. June 6, 1	1989-06-06
Encoder capable of faithfully and adaptively encoding a moving image Grant 4,734,767 - Kaneko , et al. March 29, 1	1988-03-29

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