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For the Inventor, By the Inventor

Osaka, Japan

Yuji Hisakado

This inventor holds 21 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1995-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Hisakado. Retrieved from https://idiyas.com/inventor/yuji-hisakado

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 21

% Patents Active = 95.2

Average Co-Inventor Count = 4.5

ph-index = 10

Forward Citations = 293(Granted Patents)


Location History:

  • Neyagawa, JP (1995 - 1996)
  • Daito, JP (2001)
  • Osaka, JP (1998 - 2007)
  • Hirakata, JP (2007)

Company Filing History:

goldMedal21 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1995-2007

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21 patents (USPTO):Explore Patents
1. RE39952 - Laser power controller and optical disk device (2007-12-24),
2. 7239586 - Optical disk device and recording power determining method (2007-07-03),
3. 7123574 - Recording medium, method and apparatus for recording, and method and apparatus for reproducing (2006-10-17),
4. RE39306 - Optical disc device (2006-09-25),
5. 6973020 - Recording medium, method and apparatus for reproducing, and method and apparatus for recording (2005-12-06),
6. 6621779 - Laser power controller and optical disk device (2003-09-16),
7. 6434098 - Optical disc device (2002-08-13),
8. 6236629 - Optical disk device (2001-05-22),
9. 6205095 - Optical disk device (2001-03-20),
10. 6195320 - Optical disk signal processing method and optical disk device (2001-02-27),
11. 6172952 - Optical disk device with abnormal jump detection (2001-01-09),
12. 6044051 - Optical information recording/reproducing device and method for (2000-03-28),
13. 5930225 - Two-layer optical disk (1999-07-27),
14. 5872767 - Optical disk and an optical disk recording/reproduction device having (1999-02-16),
15. 5862112 - Optical disk and an optical disk recording reproduction device (1999-01-19),

Title: Innovations of Yuji Hisakado: Pioneering Optical Disk Technologies

Introduction

Yuji Hisakado, an esteemed inventor based in Osaka, Japan, has made significant contributions to the realm of optical technologies. With a total of 21 patents to his name, his inventive work has paved the way for advancements in laser power control and optical disk devices.

Latest Patents

His latest patents focus on enhancing the efficiency and reliability of optical recording processes. One notable invention is the "Laser Power Controller and Optical Disk Device," which introduces a sophisticated power control device. This invention functions to regulate the power of a light source directed at an optical medium. The device is equipped with a reflected light detector that assesses the light reflected from the optical medium, enabling precise calculations regarding light transmissivity and directed light amounts. Additionally, Hisakado's patent for an "Optical Disk Device and Recording Power Determining Method" outlines a method to determine optimal recording power by evaluating the recording state of the base layer track before user data recording. This innovative approach ensures higher playback quality and efficient data management.

Career Highlights

Yuji Hisakado is associated with Matsushita Electric Industrial Co., Ltd., a prominent company renowned for its technological innovations. His work within the company has been integral to the development of cutting-edge optical devices, enhancing capabilities in data storage and retrieval.

Collaborations

Throughout his career, Hisakado has collaborated with notable colleagues, including Takashi Ishida and Yuji Takagi. These partnerships have contributed to the flourishing innovation culture at Matsushita Electric Industrial Co., Ltd., leading to groundbreaking advancements in technology.

Conclusion

In conclusion, Yuji Hisakado's innovative spirit and profound expertise in optical technologies have significantly influenced the field of data storage. His contributions, especially in controlling laser power and enhancing optical disk operations, reflect a commitment to advancing technological capabilities, ensuring that Matsushita Electric Industrial Co., Ltd. continues to lead in innovation within the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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