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For the Inventor, By the Inventor

Yokohama, Japan

Yoji Arita

This inventor holds 14 USPTO granted patents, primarily in Magnetic Recording Media. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Kasei Corporation, Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha. Active years: 1984-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoji Arita. Retrieved from https://idiyas.com/inventor/yoji-arita

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 78.6

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 140(Granted Patents)


Location History:

  • Yokohama, JP (1984 - 2004)
  • Kanagawa, JP (1999 - 2017)

Company Filing History:

goldMedal7 out of 2,427 
 
Mitsubishi Chemical Corporation
 patents
silverMedal3 out of 499 
 
Mitsubishi Kasei Corporation
 patents
bronzeMedal2 out of 5 
 
Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha
 patents
4. 1 out of 1 
 
Itsubishi Keikinzoku Kogyo Kabushiki Kaisha
 patent
5. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1984-2017

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Areas of Expertise:
Silicon Production
Solar Cells
Semiconductor Device
Magnetic Recording Medium
Data Writing
Contact Start Stop
Texturing Apparatus
Magnetron Sputtering
Aluminum Electrolytic Cells
Electric Power Supply
Motor Control
Actuator
14 patents (USPTO):Explore Patents
1. 9567227 - Process for producing silicon, silicon, and panel for solar cells (2017-02-14),
2. 8133319 - Production process of periodic table group 13 metal nitride crystal and production method of semiconductor device using the same (2012-03-13),
3. 6781779 - Magnetic recording medium, its production method and magnetic recording apparatus (2004-08-24),
4. 6217970 - Magnetic recording medium, method of producing the same, and recording and reading-out method (2001-04-17),
5. 6057984 - Method for data writing/read-out using a contact start and stop system (2000-05-02),
6. 5981902 - Texturing apparatus for magnetic recording medium and magnetic recording (1999-11-09),
7. 5976714 - Magnetic recording medium and method of producing the same (1999-11-02),
8. 5928759 - Magnetic recording medium, method of producing the same, and recording (1999-07-27),
9. 4994702 - Motor (1991-02-19),
10. 4964968 - Magnetron sputtering apparatus (1990-10-23),
11. 4945330 - Actuator (1990-07-31),
12. 4437950 - Method of controlling aluminum electrolytic cells (1984-03-20),
13. 4431492 - Aluminum electrolytic cell arrays and method of supplying electric power (1984-02-14),
14. 4425200 - Method and apparatus for stabilizing aluminum metal layers in aluminum (1984-01-10),

Title: The Innovations of Yoji Arita

Introduction

Yoji Arita is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the production of silicon and semiconductor devices. With a total of 14 patents to his name, Arita's work has had a lasting impact on the industry.

Latest Patents

Arita's latest patents include a process for producing silicon, which involves bringing molten silicon containing impurities into contact with molten salt. This innovative method allows for the removal of impurities from the molten silicon, enhancing its quality for various applications. Another notable patent is the production process of periodic table group 13 metal nitride crystal. This process enables the growth of high-quality bulk crystals under low pressure or atmospheric pressure, which is essential for semiconductor device manufacturing.

Career Highlights

Throughout his career, Arita has worked with leading companies such as Mitsubishi Chemical Corporation and Mitsubishi Kasei Corporation. His expertise in materials science has positioned him as a key figure in the development of advanced materials for technology applications.

Collaborations

Arita has collaborated with notable coworkers, including Yuzo Seo and Toshihiko Kuriyama. These partnerships have furthered his research and innovation in the field.

Conclusion

Yoji Arita's contributions to the field of materials science and his innovative patents have significantly advanced the production of silicon and semiconductor devices. His work continues to influence the industry and inspire future innovations.

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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