Company Filing History:

12 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Mitsubishi Electric Corporation

patents

where one patent can have more than one assignee

Years Active: 1991-2004

Loading Chart...

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6754145 - Tilt compensation device for disk drive (2004-06-22),

2. 6339567 - Method of and apparatus for optical information reproduction (2002-01-15),

3. 6320830 - Optical information reproduction device and signal processing circuit used therein (2001-11-20),

4. 5946285 - Optical disk having a continuous information track formed of alternating (1999-08-31),

5. 5475666 - Optically modulated overwritable recording device (1995-12-12),

6. 5309415 - Information recording method for overwriting a magneto-optic recording (1994-05-03),

7. 5278815 - Digital data reproducing apparatus (1994-01-11),

8. 5272684 - Information recording method and information recording apparatus for (1993-12-21),

9. 5264911 - Laser power measuring jig for optical disk unit (1993-11-23),

10. 5218591 - Optical disk apparatus for shaping pits recorded on an optical disk (1993-06-08),

11. 5107483 - Frequency selective optical data record/regenerate apparatus (1992-04-21),

12. 5007038 - Method and apparatus for producing an accurate error signal in an (1991-04-09),

13. 5003525 - Apparatus for reading a magneto-optical disk (1991-03-26),

Title: Masayoshi Shimamoto: Innovator in Optical Information Technology

Introduction

Masayoshi Shimamoto is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of optical information technology, holding a total of 13 patents. His work has been instrumental in advancing the capabilities of disk drives and optical information reproduction systems.

Latest Patents

Among his latest patents is a tilt compensation device for disk drives. This device compensates for the tilt between a disk and the head that forms a light spot on the disk. It includes a unit for determining a sum signal from a photodetector and a tilt control unit that uses this signal to control the relative tilt. Another notable patent is a method and apparatus for optical information reproduction. This invention corrects the offset in tracking error signals that vary depending on pit depth and lens position, enhancing the accuracy of optical information retrieval.

Career Highlights

Masayoshi Shimamoto has worked with notable companies such as Mitsubishi Electric Corporation and Teac Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Throughout his career, Shimamoto has collaborated with esteemed colleagues, including Kazuhiko Nakane and Teruo Furukawa. These partnerships have contributed to the successful development of his inventions.

Conclusion

Masayoshi Shimamoto's contributions to optical information technology have had a lasting impact on the industry. His innovative patents and collaborations reflect his dedication to advancing technology in this field.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com

Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.