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For the Inventor, By the Inventor

Tokyo, Japan

Hiromitsu Okuyama

This inventor holds 10 USPTO granted patents. Top assignee: Nihon Micro Coating Co., Ltd.. Active years: 2001-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromitsu Okuyama. Retrieved from https://idiyas.com/inventor/hiromitsu-okuyama

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

USPTO Granted Patents = 10

% Patents Active = 50.0

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 41(Granted Patents)


Company Filing History:

goldMedal10 out of 51 
 
Nihon Micro Coating Co., Ltd.
 patents

Years Active: 2001-2010

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10 patents (USPTO):Explore Patents
1. 7790046 - Method of texturing (2010-09-07),
2. 7631419 - Disk processing device and method (2009-12-15),
3. 7267601 - Method of producing polishing cloth (2007-09-11),
4. 7255809 - Polishing slurry for texturing (2007-08-14),
5. 7134952 - Polishing cloth (2006-11-14),
6. 6974368 - Method of producing magnetic hard disk substrate (2005-12-13),
7. 6705927 - Method of producing magnetic hard disk substrate with textured surface (2004-03-16),
8. 6533644 - Method of texturing and agent therefor (2003-03-18),
9. 6439976 - Polishing tape (2002-08-27),
10. 6280489 - Polishing compositions (2001-08-28),

Title: Innovations by Hiromitsu Okuyama in Magnetic Disk Technology

Introduction

Hiromitsu Okuyama, an innovative inventor based in Tokyo, Japan, holds a remarkable portfolio of 10 patents. His contributions primarily focus on advancing magnetic hard disk technology, showcasing his expertise and creativity in the field.

Latest Patents

Among his significant inventions is a patented technique described as a method of texturing a surface of a magnetic hard disk substrate. This method involves several key steps including the rotation of the magnetic hard disk substrate, the application of polishing slurry, and the use of polishing tape to enhance surface quality. The polishing slurry contains monocrystalline diamond particles within a specific diameter range, ensuring optimal texture finish. Another pivotal patent is for a disk processing device and method, where disks are manipulated through a sophisticated mechanism involving a spindle, processing tapes, and contact rollers, aiding in enhancing the efficiency and effectiveness of disk processing.

Career Highlights

Okuyama works at Nihon Micro Coating Co., Ltd., a company dedicated to precision coating technologies that contribute significantly to the performance of electronic components. His career reflects a commitment to innovation, particularly in improving the processes surrounding data storage technologies.

Collaborations

In his professional journey, Okuyama collaborates closely with notable coworkers Yuji Horie and Mitsuo Otohata. These partnerships foster a dynamic environment for the exchange of ideas and expertise, facilitating the development of cutting-edge technologies.

Conclusion

Hiromitsu Okuyama stands out as a prominent figure in the field of magnetic hard disk innovation. His patents not only underline his inventiveness but also propel the technology forward, impacting industries reliant on high-performance data storage solutions.

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]
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