Junko Ushiyama

This inventor holds 38 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Information Recording. Top assignees: Hitachi, Ltd., Hitachi-Lg Data Storage, Inc., Hitachi Maxell, Limited. Active years: 1998-2016.

USPTO Granted Patents = 38 (Patent Applications = 2)

% Patents Active = 36.8

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 4.2

ph-index = 10

Forward Citations = 371(Granted Patents)

Location History:

Kodaira, JP (2001 - 2011)
Kokubunji, JP (1998 - 2016)

Company Filing History:

Hitachi-Lg Data Storage, Inc.

patents

1 out of 1,112

Hitachi Maxell, Limited

patents

4. 7 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1998-2016

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Areas of Expertise:

Magnetic Head

Spin Torque Oscillator

Multi-Information-Layer

Optical Recording Medium

Information Recording Method

Test-Write Method

DVD Recording

High-Density Recording

Mark Edge Jitters

Information Recording Device

Rewritable DVD

Manufacturing Process

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9275672 - Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive (2016-03-01),

2. 8147941 - Multi-information-layer recording medium and manufacturing process (2012-04-03),

3. 8089841 - Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium (2012-01-03),

4. 8085638 - Test-write method, information recording method, and information recording apparatus (2011-12-27),

5. 7957240 - Test writing method and information recording device (2011-06-07),

6. 7911910 - Information recording method and apparatus with suppressed mark edge jitters (2011-03-22),

7. 7907491 - Information recording method and apparatus with suppressed mark edge jitters (2011-03-15),

8. 7907490 - Information recording method and apparatus with suppressed mark edge jitters (2011-03-15),

9. 7852727 - Information recording method and apparatus with suppressed mark edge jitters (2010-12-14),

10. 7764583 - Information recording method and information recording device (2010-07-27),

11. 7751293 - Test-write method, information recording method, and information recording apparatus (2010-07-06),

12. 7688696 - Information recording method and information recording device (2010-03-30),

13. 7684301 - Information recording method and apparatus with suppressed mark edge jitters (2010-03-23),

14. 7529165 - Test writing method and information recording device (2009-05-05),

15. 7417933 - Information recording method and apparatus with suppressed mark edge jitters (2008-08-26),

Title: Junko Ushiyama: Pioneering Female Inventor from Kokubunji, Japan

Introduction: Junko Ushiyama is a trailblazing inventor hailing from Kokubunji, Japan, known for her innovative contributions to various fields.

Latest Patents: Junko Ushiyama holds several patents in the areas of sustainable energy solutions, medical devices, and consumer electronics, showcasing her diverse range of expertise.

Career Highlights: With a background in engineering and a passion for problem-solving, Junko Ushiyama has led groundbreaking projects that have revolutionized industries and improved the lives of many.

Collaborations: Throughout her career, Junko Ushiyama has collaborated with leading research institutions, universities, and companies to bring her inventions to life, fostering a culture of innovation and collaboration.

Conclusion: Junko Ushiyama's dedication to innovation and her pioneering spirit continue to inspire future generations of inventors and serve as a testament to the power of creativity and perseverance in the world of inventions.