Company Filing History:

7 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 15,844

Mitsubishi Electric Corporation

where one patent can have more than one assignee

Years Active: 1991-1996

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5481517 - Track jump control means for a disk apparatus (1996-01-02),

2. 5475666 - Optically modulated overwritable recording device (1995-12-12),

3. 5251194 - Techniques for controlling beam position and focus in optical disk drives (1993-10-05),

4. 5128916 - Optical disc with alternating servo patterns and driving apparatus (1992-07-07),

5. 5117412 - Optical disc with servo pattern providing enhanced reliability of servo (1992-05-26),

6. 5107483 - Frequency selective optical data record/regenerate apparatus (1992-04-21),

7. 5070492 - Signal decoding apparatus and method (1991-12-03),

8. 5063546 - Optic disc with servo pattern and apparatus for accessing the optical (1991-11-05),

Title: Yoshiki Nakajima: A Pioneer in Optical Recording Technology

Introduction

Yoshiki Nakajima is a renowned inventor based in Amagasaki, Japan, recognized for his significant contributions to the field of optical recording technology. Over his career, he has been awarded a total of 8 patents, some of which showcase his innovative approaches to disk drive apparatus and optically modulated recording devices.

Latest Patents

Among his latest patents, one notable invention is the "Track Jump Control Means for a Disk Apparatus." This invention details a disk drive apparatus equipped with an optical pickup capable of jumping tracks when a special voltage is applied. The system also includes an actuator for driving the optical pickup and a signal processing unit that manages focus and tracking control. The capability to measure movement time and adjust parameters accordingly highlights Nakajima's advanced engineering in disk technology.

Another important patent is the "Optically Modulated Overwritable Recording Device." This recording device is designed for use with an optically modulated overwritable magneto-optical recording medium. It involves recording information across multiple magnetic layers using varying laser power levels to optimize data accuracy and recording efficiency. The unique scanning method allows for the determination of ideal recording parameters, showcasing Nakajima's innovative approach to enhancing the precision of data reproduction.

Career Highlights

Throughout his career, Nakajima has worked with prominent companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His experience in these esteemed corporations has played a pivotal role in shaping his inventive mindset and technological developments.

Collaborations

Yoshiki Nakajima has collaborated with talented individuals like Kyosuke Yoshimoto and Osamu Ito, whose collective efforts have further advanced the fields in which they specialize. These collaborations reflect the importance of teamwork in driving innovation and overcoming technical challenges.

Conclusion

Yoshiki Nakajima's contributions to optical recording technology through his inventions and collaborations mark him as a key figure in the advancement of this field. With his impressive portfolio of patents, he continues to inspire future inventors and innovators around the globe.

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