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For the Inventor, By the Inventor

Kanagawa, Japan

Masahiro Shigenobu

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 86(Granted Patents)


Company Filing History:

goldMedal15 out of 58,129 
 
Sony Corporation
 patents

Years Active: 1999-2008

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15 patents (USPTO):
1. 7394737 - Skew control method and skew control unit (2008-07-01),
2. RE39953 - Recording apparatus and method, and reproducing apparatus and method (2007-12-24),
3. 6832276 - Receiving a reset signal directly from an ATA or ATAPI bus of a host computer without passing through an interface processing unit for termination of a half halted state (2004-12-14),
4. 6320833 - Recording apparatus and method, and reproducing apparatus and method (2001-11-20),
5. 6256717 - Data access controller and data access control method (2001-07-03),
6. 6191903 - Recording medium, data transmission apparatus, data receiver, and optical disk unit (2001-02-20),
7. 6130866 - Error-correcting storage medium reproduction apparatus and method using (2000-10-10),
8. 6130865 - Apparatus and method for positioning an optical head over a disk having (2000-10-10),
9. 6128256 - Apparatus and method for positioning an optical head over a disk having (2000-10-03),
10. 6088775 - Data access controller and data access control method (2000-07-11),
11. 6072756 - Optical disk apparatus and data recording method (2000-06-06),
12. 5986986 - Method for regenerating synchronizing signal by judging whether or not (1999-11-16),
13. 5959947 - Apparatus and method for identifying and accessing a desired track of an (1999-09-28),
14. 5952944 - Modulation device and demodulation device and methods of the same (1999-09-14),
15. 5917792 - Recording medium, recording medium playback device, recording medium (1999-06-29),

Title: Masahiro Shigenobu: Innovator in Optical Technology

Introduction

Masahiro Shigenobu is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical technology, holding a total of 15 patents. His work focuses on improving the efficiency and functionality of optical devices, particularly in the areas of skew control and data recording.

Latest Patents

Shigenobu's latest patents include a skew control method and a skew control unit. This invention relates to a skew control method that allows for stable skew control with a simple configuration, eliminating the need for a dedicated skew sensor. The method involves measuring focus drive voltages at multiple points by moving an optical pick-up in the radial direction of an optical disc while the focus servo is active. The skew angle control is then performed to ensure that the measured voltages are equal.

Another notable patent is for a recording apparatus and method, as well as a reproducing apparatus and method. This invention is designed for reading or writing data to a disc that has pre-formed tracks. It controls the timing of the read or write head's movement between the tracks, enhancing the efficiency of data management.

Career Highlights

Masahiro Shigenobu is currently employed at Sony Corporation, where he continues to innovate in optical technology. His work has been instrumental in advancing the capabilities of optical devices, making them more reliable and user-friendly.

Collaborations

Shigenobu has collaborated with notable colleagues, including Kensuke Fujimoto and Koji Inoue. Their combined expertise has contributed to the successful development of various optical technologies.

Conclusion

Masahiro Shigenobu's contributions to optical technology through his innovative patents have significantly impacted the industry. His work at Sony Corporation and collaborations with esteemed colleagues highlight his dedication to advancing technology in this field.

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