IDiyas

For the Inventor, By the Inventor

Kanagawa, Japan

Takashi Fujimoto

USPTO Granted Patents = 32 

 

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Yokohama, JP (2005)
  • Minami-ashihara, JP (2021)
  • Kanagawa, JP (2008 - 2023)
  • Kawasaki, JP (2011 - 2023)
  • Minami-ashigara, JP (2020 - 2024)

Company Filing History:

goldMedal19 out of 16,042 
 
Fujifilm Corporation
 patents
silverMedal6 out of 1,233 
 
Tokyo Ohka Kogyo Co., Ltd.
 patents
bronzeMedal5 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
4. 2 out of 21,594 
 
Eastman-kodak Company
 patents
5. 1 out of 1 
 
Kisoh Co., Ltd.
 patent
6. 1 out of 1,710 
 
National Institute of Advanced Industrial Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 2005-2025

where 'Filed Patents' based on already Granted Patents

32 patents (USPTO):
1. 12198841 - Magnetic powder, manufacturing method of magnetic powder, and magnetic recording medium (2025-01-14),
2. 12159657 - Magnetic recording medium having characterized magnetic layer, magnetic tape cartridge, and magnetic recording and reproducing device (2024-12-03),
3. 12131762 - Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device (2024-10-29),
4. 12014759 - Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device (2024-06-18),
5. 11894032 - Magnetic recording medium having characterized vertical SFD, magnetic tape cartridge, and magnetic recording reproducing device (2024-02-06),
6. 11842756 - Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device (2023-12-12),
7. 11670333 - Magnetic tape having characterized coefficient of variation of e-iron oxide powder particle size, magnetic tape cartridge, and magnetic recording and reproducing apparatus (2023-06-06),
8. 11667767 - Cladding composition, and method for producing metal/resin bonded member (2023-06-06),
9. 11562839 - Core-shell particle and manufacturing method and fired product of the same, epsilon type iron oxide compound particle and manufacturing method of the same, and magnetic recording medium and manufacturing method of the same (2023-01-24),
10. 11508406 - Magnetic recording medium, manufacturing method of particles of epsilon type iron oxide-based compound, and manufacturing method of magnetic recording medium (2022-11-22),
11. 11459244 - Particles of β-iron oxyhydroxide-based compound, manufacturing method of the same, manufacturing method of particles of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording medium (2022-10-04),
12. 11440810 - Powder of β-iron oxyhydroxide-based compound, β-iron oxyhydroxide-based compound sol, manufacturing method of powder of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording medium (2022-09-13),
13. 11367548 - E-iron oxide type ferromagnetic powder, method for manufacturing same, and composition containing e-iron oxide type ferromagnetic powder (2022-06-21),
14. 11348711 - Core-shell particle, fired product of core-shell particle, manufacturing method of core-shell particle, epsilon type iron oxide-based compound particle, manufacturing method of epsilon type iron oxide-based compound particle, magnetic recording medium, and manufacturing method of magnetic recording medium (2022-05-31),
15. 11236297 - Method of producing cell culture chip (2022-02-01),

Title: Takashi Fujimoto: A Pioneer in Magnetic Technology

Introduction

Takashi Fujimoto, a distinguished inventor from Kanagawa, Japan, has made significant contributions to the field of magnetic technology. With an impressive portfolio of 32 patents, he is recognized for his innovative advancements in magnetic materials and devices.

Latest Patents

Fujimoto's latest patents focus on magnetic powder and its applications. One of his notable inventions is a manufacturing method for magnetic powder, which includes an epsilon-phase iron oxide-based compound selected from ε-FeO or a compound described by a specific formula. This innovative magnetic powder features an average particle diameter ranging from 8 nm to 25 nm, with a carefully defined ratio of Hc to Hc' between 0.6 and 1.0. Additionally, he has developed a magnetic recording medium that incorporates a ferromagnetic powder, characterized by X-ray diffraction analysis metrics, optimizing functionality for magnetic tape cartridges and recording devices.

Career Highlights

Throughout his career, Takashi Fujimoto has collaborated with prestigious organizations, including Fujifilm Corporation and Tokyo Ohka Kogyo Co., Ltd. His work has led to remarkable innovations that enhance the performance and efficiency of magnetic recording media, contributing significantly to advancements in data storage technology.

Collaborations

Fujimoto has worked alongside esteemed colleagues such as Eiki Ozawa and Masashi Shirata. Together, they have contributed to the advancement of magnetic technology, sharing knowledge and expertise that have propelled the industry forward.

Conclusion

In summary, Takashi Fujimoto stands out as a leading figure in the realm of magnetic technology. His extensive patent portfolio and innovative contributions continue to shape the future of data storage solutions, cementing his legacy as a pioneering inventor.

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