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For the Inventor, By the Inventor

Yokohama Kanagawa, Japan

Gaku Koizumi

USPTO Granted Patents = 23 

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 171(Granted Patents)


Location History:

  • Ome, JP (2012 - 2014)
  • Yokohama, JP (2014)
  • Yokohama Kanagawa, JP (2016 - 2020)
  • Kanagawa, JP (2019 - 2020)
  • Kawasaki Kanagawa, JP (2020 - 2024)

Company Filing History:

goldMedal23 out of 52,711 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal15 out of 1,502 
 
Toshiba Electronic Devices & Storage Corporation
 patents
where one patent can have more than one assignee

Years Active: 2012-2024

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23 patents (USPTO):Explore Patents
1. 12027187 - Magnetic disk device (2024-07-02),
2. 11817135 - Magnetic head and magnetic recording/reproducing device (2023-11-14),
3. 11626132 - Magnetic disk device (2023-04-11),
4. 11404084 - Magnetic disk device (2022-08-02),
5. 11176965 - Magnetic disk device (2021-11-16),
6. 10867624 - Magnetic head and disk device with heat actuators (2020-12-15),
7. 10825473 - Magnetic disk device (2020-11-03),
8. 10741201 - Magnetic recording device capable of stabilizing oscillations of high frequency assisted element (2020-08-11),
9. 10657990 - Magnetic head and disk device having gap layers with different magnetic relative permeabilities (2020-05-19),
10. 10546600 - Magnetic head with high-frequency oscillating element and disk device comprising the same (2020-01-28),
11. 10529365 - Method for correcting position offset of the heads on two dimensional magnetic recording device (2020-01-07),
12. 10504543 - Magnetic disk device (2019-12-10),
13. 10403308 - Magnetic disk device which controls a recording operation and a non-recording operation of a recording head and a recording head control method of the magnetic disk device (2019-09-03),
14. 10360931 - Magnetic recording apparatus (2019-07-23),
15. 10276193 - Magnetic head having magnetic pole and shield, and magnetic recording and reproducing device (2019-04-30),

Title: Gaku Koizumi: Innovator in Magnetic Disk Technology

Introduction: Gaku Koizumi, based in Yokohama, Kanagawa, Japan, has made significant contributions to the field of magnetic disk devices and heads. With a remarkable portfolio of 23 patents, his work has advanced various technologies within the storage industry.

Latest Patents: Among his latest innovations, Gaku Koizumi has developed a magnetic disk device that features a unique magnetic head design. This design includes a main pole and an auxiliary magnetic pole, complemented by side shields that control magnetic flux for enhanced oscillation frequency. Additionally, he has created a magnetic head and magnetic recording/reproducing device that incorporates a spin torque control element, allowing for precise resistance measurement and enhanced performance in data storage applications.

Career Highlights: Throughout his career, Gaku Koizumi has worked at prominent companies such as Toshiba Corporation and Toshiba Electronic Devices & Storage Corporation. His tenure at these organizations has facilitated the development of cutting-edge technologies in magnetic storage solutions.

Collaborations: During his professional journey, Gaku Koizumi has collaborated with notable coworkers, including Masaya Ohtake and Tomoko Taguchi. Their collective expertise has contributed to numerous innovative projects and has helped shape advancements in the field.

Conclusion: Gaku Koizumi stands out as a pivotal inventor in the realm of magnetic disk technology. His 23 patents reflect a commitment to innovation and excellence, positioning him as a respected figure in the industry. Through his work and collaborations, he continues to influence the development of advanced storage solutions, making a lasting impact on the technology landscape.

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