Company Filing History:

5 out of 1,530

Mitsubishi Materials Corporation

patents

2 out of 197

Mitsubishi Kinzoku Kabushiki Kaisha

patents

2 out of 68

Mitsubishi Metal Corporation

patents

4. 1 out of 25,560

Sharp Kabushiki Kaisha Corporation

patents

where one patent can have more than one assignee

Years Active: 1986-1998

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5738947 - Corrosion-resistant film for protecting surfaces of Ag and (1998-04-14),

2. 5630886 - Corrosion-resistant film for protecting surfaces of Ag and (1997-05-20),

3. 5612133 - Magneto-optical recording medium having a refelecting layer of a (1997-03-18),

4. 5338331 - Low-permeability high-strength target material for the formation of thin (1994-08-16),

5. 5066381 - Target unit (1991-11-19),

6. 5057161 - P-type Fe silicide thermoelectric conversion material (1991-10-15),

7. 5009717 - Thermoelectric element and method of manufacturing same (1991-04-23),

8. 4620872 - Composite target material and process for producing the same (1986-11-04),

9. 4619697 - Sputtering target material and process for producing the same (1986-10-28),

Title: Kenichi Hijikata: Innovator in Corrosion-Resistant Technologies

Introduction

Kenichi Hijikata is a notable inventor based in Omiya, Japan. He has made significant contributions to the field of materials science, particularly in the development of corrosion-resistant films. With a total of 9 patents to his name, Hijikata's work has had a substantial impact on various industries.

Latest Patents

One of his latest patents involves a corrosion-resistant film designed to protect the surfaces of silver (Ag). This innovative film comprises an Ag-Mg alloy with an magnesium (Mg) content ranging from 1 to 10 atomic percent. The film is applied to an Ag substrate, creating a protective composite structure that prevents the silver from blackening due to sulfide components. The film exhibits excellent adhesiveness to the Ag substrate and maintains high reflectivity, making it suitable for applications in photo-magnetic recording media, optical recording media, reflectors, and illuminators. Additionally, the surface of the corrosion-resistant film is oxidized to form an MgO layer, enhancing its protective effect.

Career Highlights

Throughout his career, Kenichi Hijikata has worked with prominent companies such as Mitsubishi Materials Corporation and Mitsubishi Kinzoku Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in materials science and innovation.

Collaborations

Some of his notable coworkers include Masashi Komabayashi and Rie Mori. Their collaborative efforts have contributed to the advancement of technologies in their respective fields.

Conclusion

Kenichi Hijikata's innovative work in corrosion-resistant technologies showcases his dedication to improving material performance. His patents reflect a commitment to advancing the field and addressing practical challenges in various applications.

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