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For the Inventor, By the Inventor

Chiba, Japan

Seiichi Sagara

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Sony Corporation. Active years: 2008-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Sagara. Retrieved from https://idiyas.com/inventor/seiichi-sagara

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

USPTO Granted Patents = 6 

% Patents Active = 16.7

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Tokyo, JP (2010)
  • Chiba, JP (2008 - 2012)
  • Saitama, JP (2011 - 2013)

Company Filing History:

goldMedal6 out of 58,147 
 
Sony Corporation
 patents

Years Active: 2008-2013

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6 patents (USPTO):Explore Patents
1. 8531927 - Optical disc apparatus, tilt correction method, and program (2013-09-10),
2. 8134900 - Recording and reproducing apparatus and laser-driving pulse adjusting method (2012-03-13),
3. 8068395 - Recording device and method of adjusting laser power (2011-11-29),
4. 7852718 - Compensation value setting device and compensation value setting method (2010-12-14),
5. 7768880 - Reproducing apparatus, and method of adjusting spherical aberration correction and focus bias (2010-08-03),
6. 7344077 - Optical pickup control apparatus, optical pickup control method, and optical disc apparatus (2008-03-18),

Title: Seiichi Sagara: Innovator in Optical Disc Technology

Introduction

Seiichi Sagara is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 6 patents. His work has been instrumental in advancing the capabilities of optical recording and reproducing systems.

Latest Patents

Sagara's latest patents include innovative technologies such as an optical disc apparatus and a tilt correction method. The optical disc apparatus features a light irradiation/reception section that utilizes an objective lens to irradiate an optical disc recording medium with light and receive return light. It also includes a tilt adjustment section, focus servo control section, and a control section that performs various processes to optimize tilt adjustment values. Another notable patent is the recording and reproducing apparatus, which comprises an optical head for writing and reading information on an optical recording medium. This apparatus includes laser-drive pulse generating means and adjustment control means to enhance the accuracy of laser light irradiation.

Career Highlights

Seiichi Sagara has built a successful career at Sony Corporation, where he has been able to apply his expertise in optical technologies. His innovative work has contributed to the development of advanced optical disc systems that are widely used in various applications.

Collaborations

Throughout his career, Sagara has collaborated with talented individuals such as Atsushi Ishimaru and Jumpei Kura. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the optical disc field.

Conclusion

Seiichi Sagara's contributions to optical disc technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to shape the future of optical recording systems.

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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