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For the Inventor, By the Inventor

Yokohama, Japan

Akio Fukushima

This inventor holds 28 USPTO granted patents and 1 EPO patent, primarily in Optical Recording Technology. Top assignees: Hitachi, Ltd., Hitachi Consumer Electronics Co., Ltd., Hitachi-Lg Data Storage, Inc.. Active years: 1989-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Fukushima. Retrieved from https://idiyas.com/inventor/akio-fukushima

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

USPTO Granted Patents = 28

% Patents Active = 57.1


Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 123(Granted Patents)


Company Filing History:

goldMedal22 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal5 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
bronzeMedal3 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
4. 1 out of 7,654 
 
Renesas Electronics Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2013

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Areas of Expertise:
Optical Disc
Data Reproduction
Address Generation
Recording Medium
Encryption Method
Multi-Layer Disc
Watermark Detection
Semiconductor Integrated Circuit
Disk Recording Drive
Laser Diode
Motor Control
Data Transfer
28 patents (USPTO):Explore Patents
1. 8488437 - Information recording medium, address generation and detection method, and reproducing and recording apparatuses (2013-07-16),
2. 8331214 - Optical recording medium capable of increasing the number of wobble address bits and method for recording and reproducing thereof (2012-12-11),
3. 8325576 - Optical disc, optical disc recording apparatus, optical disc reproducing apparatus, information recording method, information reproducing method, and information recording-reproducing method (2012-12-04),
4. 8320222 - Semiconductor integrated circuit and disk recording and reproducing drive using the same (2012-11-27),
5. 8289820 - Address generating and detecting method and reproducing and recording apparatus (2012-10-16),
6. 8264921 - Optical disc recording device (2012-09-11),
7. 8179752 - Optical disc apparatus therefor (2012-05-15),
8. 8165453 - Method and apparatus for data reproduction (2012-04-24),
9. 8159906 - Address generating and detecting method and reproducing and recording apparatus (2012-04-17),
10. 8144567 - Optical disc and optical disc apparatus (2012-03-27),
11. 8014259 - Multi layer optical disc and optical disc apparatus capable of coping with the multi layer optical disc (2011-09-06),
12. 7961582 - Optical disk recording apparatus, laser diode driving apparatus and recording signal generating apparatus (2011-06-14),
13. 7839728 - Optical disc recording device (2010-11-23),
14. 7395431 - Data encryption method, recording medium, data transfer apparatus, and encrypted data decryption method (2008-07-01),
15. 7289721 - Method and apparatus for data reproduction (2007-10-30),

Title: Akio Fukushima: A Pioneer in Optical Recording Technology

Introduction

Akio Fukushima, based in Yokohama, Japan, is a renowned inventor in the field of optical recording technology. With a remarkable portfolio of 28 patents to his name, he has significantly contributed to advancements in information recording mediums and reproduction techniques.

Latest Patents

Fukushima's latest inventions include innovative patents related to information recording mediums, address generation and detection methods, and reproducing and recording apparatuses. One of his notable patents describes a method wherein an extension address is obtained without changing the number of bits of the address embedded in the wobble. This process involves encoding the wobble address partially or wholly to embed the address information. During the reproduction phase, the original address information is retrieved by restoring the embedded information via a decoding process. Another significant patent focuses on an optical recording medium that enhances the number of wobble address bits and outlines the methods for effective recording and reproduction.

Career Highlights

Throughout his career, Akio Fukushima has worked with prestigious companies such as Hitachi, Ltd. and Hitachi Consumer Electronics Co., Ltd. His role in these organizations enabled him to apply his innovative capabilities and drive the development of groundbreaking technologies in optical media.

Collaborations

Fukushima's success can also be attributed to his collaborations with esteemed colleagues, including Shigeki Inoue and Kazuhiko Ono. These partnerships have nourished an environment of innovation and research, fostering the advancement of their collective expertise and contributions to the field.

Conclusion

With a solid foundation in optical recording technology and a commitment to innovation, Akio Fukushima stands as a significant figure in the realm of inventions. His patents reflect a forward-thinking approach that continues to influence the industry, ensuring his legacy as a leading inventor in Japan and beyond.

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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