Kamisato, Japan

Yu Yanaka

This inventor holds 3 USPTO granted patents and 7 published patent applications. Top assignee: Hitachi-High-Technologies Corporation. Active years: 2013-2014.

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 20(Granted Patents)


Location History:

  • Kamisato, JP (2013)
  • Kamisato-machi, JP (2014)

Company Filing History:


Years Active: 2013-2014

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3 patents (USPTO):Explore Patents

Title: The Innovations of Yu Yanaka: A Pioneer in Disk Surface Inspection

Introduction

Yu Yanaka, an accomplished inventor based in Kamisato, Japan, has made significant contributions to the field of disk surface inspection with his groundbreaking inventions. With a portfolio that includes three patents, Yanaka's innovations aim to enhance the accuracy and efficiency of inspecting disk surfaces.

Latest Patents

One of Yanaka's latest patents is a "Method and Apparatus for Inspecting Surface of a Disk." This method focuses on detecting circle scratch defects separately from sporadic scratch defects. The process involves irradiating a sample with light, detecting regular reflection light, and separately processing scattered light to identify surface defects. By analyzing various light signals, Yanaka's method effectively extracts defect candidates based on their circumferential ratios.

Another notable patent is the "Method and Apparatus for Inspecting Patterned Media Disk." This innovative inspection apparatus, designed for patterned media disks, maintains high throughput while performing dual-surface inspections. It includes an optical inspection unit, a table unit with multiple substrate rotation drive units, and a substrate reversing unit to streamline the inspection process and ensure efficient handling of substrates.

Career Highlights

Yu Yanaka's career is prominently marked by his tenure at Hitachi High-Technologies Corporation, where he has played a vital role in developing cutting-edge inspection technologies. His expertise in optical inspection methods significantly contributes to advancing the industry, enhancing quality control in disk production.

Collaborations

Throughout his career, Yanaka has collaborated with esteemed colleagues such as Kiyotaka Horie and Hideaki Sasazawa. Together, these inventors and researchers have pushed the boundaries of innovation, fostering an environment that emphasizes teamwork and creativity.

Conclusion

In conclusion, Yu Yanaka's contributions to the field of disk surface inspection highlight his innovative spirit and commitment to excellence. His patents not only reflect his technical prowess but also set new standards in the industry. As technology continues to advance, Yanaka’s work remains instrumental in shaping the future of disk inspection methodologies.

Profile summary based on public USPTO records.
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