Ibaraki, Japan

Takashi Kouno

This inventor holds 33 USPTO granted patents and 1 published patent application, primarily in Magnetic Disk Drives. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., Hitachi, Ltd., Hgst Netherlands, B.v.. Active years: 2001-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Kouno. Retrieved from https://idiyas.com/inventor/takashi-kouno

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

USPTO Granted Patents = 33 

% Patents Active = 45.5

Average Co-Inventor Count = 4.2

ph-index = 11

Forward Citations = 244(Granted Patents)


Location History:

  • Niihari-gun, JP (2002 - 2005)
  • Chiyoda, JP (2004 - 2006)
  • Ibaraki-ken, JP (2001 - 2013)
  • Kanagawa, JP (2013)
  • Ibaraki, JP (2007 - 2014)

Company Filing History:


Years Active: 2001-2014

Loading Chart...
Areas of Expertise:
Hard Disk Drive
Voice Coil Motor
Low-Density Gas
Airflow Reduction
Hermetic Sealing
Vibration Characteristics
Fluid Bearing
Magnetic Disk Device
Manufacturing Method
Data Storage Device
Solder Connection
Anti-Vibration
33 patents (USPTO):Explore Patents

Title: Takashi Kouno: Innovator in Hard Disk Drive Technologies

Introduction

Takashi Kouno, a distinguished inventor based in Ibaraki, Japan, has made significant contributions to the field of hard disk drive technology. With an impressive portfolio of 33 patents, Kouno's innovations focus on improving the efficiency and accuracy of hard disk drives, showcasing his expertise in engineering and design.

Latest Patents

Kouno's latest patents illuminate his inventive prowess and dedication to advancements in HDD technology. One notable patent focuses on a hard disk drive bypass channel that features a close-sided voice coil motor. This design aims to enhance head positioning accuracy by minimizing airflow disturbances, which in turn reduces unwanted component vibrations. The voice coil motor's structural innovation includes a sidewall connecting the upper and lower yokes, which also functions as part of a bypass channel that diverts airflow away from the actuator arm and its components.

Another recent patent addresses the challenge of gas injection within disk drives. It presents a method to reduce the leakage of low-density gas during helium injection into a hard disk drive. This invention includes an injection hole filter equipped with a valve that operates based on pressure differences, ensuring efficient gas injection and minimizing leakage after the process is completed.

Career Highlights

Kouno's career includes significant tenures at leading technology firms. He worked at Hitachi Global Storage Technologies Netherlands B.V. and Hitachi, Ltd., where he applied his skills to push the boundaries of hard disk drive technology. His experience in these reputable companies has paved the way for innovative developments that improve product performance and reliability.

Collaborations

Throughout his career, Kouno has collaborated with talented peers, notably Kouki Uefune and Takako Hayakawa. These collaborations have fostered an environment of creativity and innovation, contributing to the successful development of various technologies within the HDD sector.

Conclusion

Takashi Kouno stands out as a prominent inventor in the realm of hard disk drive technologies. His 33 patents highlight his commitment to innovation, particularly in enhancing efficiency and accuracy in data storage. Through his noteworthy career and collaborations, Kouno continues to influence the future of technology, reflecting the vital role of inventors in fostering advancements in industry.

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]
Loading…