logo

For the Inventor, By the Inventor

Kawasaki, Japan

Keiji Aruga

This inventor holds 33 USPTO granted patents and 1 published patent application, primarily in Magnetic Disk Technology. Top assignees: Fujitsu Corporation, Toshiba Storage Device Corporation, Aruga Research LLC. Active years: 1990-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Aruga. Retrieved from https://idiyas.com/inventor/keiji-aruga

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 = 81.8

Average Co-Inventor Count = 3.7

ph-index = 15

Forward Citations = 533(Granted Patents)


Location History:

  • Hiratsuka, JP (1990 - 1998)
  • Kawasaki, JP (1996 - 2010)
  • Machida, JP (1999 - 2014)

Company Filing History:

goldMedal30 out of 39,371 
 
Fujitsu Corporation
 patents
silverMedal2 out of 125 
 
Toshiba Storage Device Corporation
 patents
bronzeMedal1 out of 1 
 
Aruga Research LLC
 patent
4. 1 out of 1,234 
 
Nhk Spring Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1990-2014

Loading Chart...
Areas of Expertise:
Magnetic Disk Drive
Head Actuator
Vibration Control
Noise Reduction
Servo Pattern Writing
Storage Device
Magnetic Head Assembly
Filmed Screw
Rotational Vibration Testing
Head Positioning Control
Magnetic Circuit
Sound Reducing Cover Seal
33 patents (USPTO):Explore Patents
1. 8804266 - Double servo type magnetic disc apparatus (2014-08-12),
2. 7730763 - Balance corrector (2010-06-08),
3. 7697240 - Magnetic head actuator and magnetic disk device having damper material attached to actuator arm (2010-04-13),
4. 7619854 - Product including filmed screw (2009-11-17),
5. 7599150 - Head stack assembly, its manufacturing method, and magnetic disc drive having the same (2009-10-06),
6. 7564647 - Filtering device for a magnetic disc apparatus (2009-07-21),
7. 7551399 - Head suspension including flexure having as elastic bending section (2009-06-23),
8. 7414810 - Magnetic head structure with insulating layer configured to reduce thermal deformation of floating surface towards disk (2008-08-19),
9. 7336444 - Magnetic head assembly (2008-02-26),
10. 6690549 - Storage device (2004-02-10),
11. 6567237 - Sound reducing cover seal for information recording apparatus (2003-05-20),
12. 6543289 - Rotational vibration testing apparatus (2003-04-08),
13. 6501610 - Detecting circuit for read signal from magnetic recording system using partial response (2002-12-31),
14. 6487038 - Recording disk drive and method of assembling the same (2002-11-26),
15. 6466400 - Magnetic disk drive capable of reducing noise at starting utilizing conjoining, damped washers to support shafts in the disk drive (2002-10-15),

Title: Keiji Aruga - Pioneering Inventor from Kawasaki, JP

Introduction: Keiji Aruga is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiji Aruga holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancements.

Career Highlights: With a career spanning over two decades, Keiji Aruga has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant breakthroughs in various industries.

Collaborations: Throughout his career, Keiji Aruga has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Keiji Aruga's relentless pursuit of innovation and his passion for creating solutions to complex technological challenges have solidified his position as a pioneering inventor in the global tech landscape.

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…