Company Filing History:

6 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

4 out of 5,310

Western Digital Technologies, Inc.

patents

2 out of 987

Hgst Netherlands, B.v.

patents

4. 1 out of 272

Nippon Mektron Limited

patents

where one patent can have more than one assignee

Years Active: 2009-2024

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12 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12125507 - Hard disk drive breather filter enabling sorbent replacement (2024-10-22),

2. 11646055 - Carriage assembly with asymmetrical swage bosses and associated methods (2023-05-09),

3. 11410692 - Carriage assembly with asymmetrical swage bosses and associated methods (2022-08-09),

4. 9747956 - Base for protecting external welds of hermetically sealed electronic devices (2017-08-29),

5. 8730620 - Flexible ramp in a hard disk drive (2014-05-20),

6. 8537500 - Magnetic disk device (2013-09-17),

7. 8169747 - Cushioning ramp having a stepped structure for a magnetic disc apparatus (2012-05-01),

8. 8130470 - Suspension assembly including a limiter having a gross length larger than a between-coupling-portions distance between coupling portions (2012-03-06),

9. 8125739 - Disk drive device and magnetic disk drive (2012-02-28),

10. 7545599 - Disk drive with vibration suppression member disposed near head assembly (2009-06-09),

11. 7486484 - Arm chamfer for comb type actuator in rotating disk storage device and carriage assembly (2009-02-03),

12. 7483239 - Magnetic disk drive with adjustment of rotational balance (2009-01-27),

Title: Takeji Sumiya: Innovator in Hard Disk Drive Technology

Introduction

Takeji Sumiya is a prominent inventor known for his contributions to hard disk drive technology. He has been awarded 12 patents, showcasing his innovative spirit and technical expertise. His work has significantly impacted the design and functionality of electronic devices, particularly in data storage solutions.

Latest Patents

One of Sumiya's latest patents is the "Hard disk drive breather filter enabling sorbent replacement." This invention features a sorbent breather filter designed for electronic devices like hard disk drives (HDDs). It includes a first chamber for housing a first sorbent, which is environmentally coupled with the external environment through at least two orifices. The design allows for easy replacement of the sorbent, enhancing the longevity and efficiency of the HDD.

Another notable patent is the "Carriage assembly with asymmetrical swage bosses and associated methods." This invention pertains to a hard disk drive that includes a carriage assembly with a unique design. The assembly features a carriage-arm tip with a swaging hole centered around a swaging axis, allowing for improved performance and reliability in data storage applications.

Career Highlights

Sumiya has worked with leading companies in the technology sector, including Hitachi Global Storage Technologies and Western Digital Technologies. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in hard disk drive technology.

Collaborations

Throughout his career, Sumiya has collaborated with talented individuals such as Hiroyasu Tsuchida and Tomoki Hiramatsu. These partnerships have fostered innovation and led to the development of several key technologies in the field.

Conclusion

Takeji Sumiya's contributions to hard disk drive technology have made a lasting impact on the industry. His innovative patents and collaborations with leading companies and talented individuals highlight his role as a significant figure in the field of electronics.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.