Company Filing History:

13 out of 2,664

Kubota Corporation

patents

2 out of 170

Toyo Engineering Corporation

patents

where one patent can have more than one assignee

Years Active: 1977-1994

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5302181 - Oxide-dispersion-strengthened heat-resistant chromium-based sintered (1994-04-12),

2. 5082750 - Magnetic recording medium of thin metal film type (1992-01-21),

3. 5013616 - Magnetic recording medium of thin metal film type (1991-05-07),

4. 4510988 - Tube for thermal cracking or reforming hydrocarbon and manufacturing (1985-04-16),

5. 4477711 - Method and apparatus for plasma welding (1984-10-16),

6. 4444731 - Tube for thermal cracking or reforming hydrocarbon (1984-04-24),

7. 4421558 - Iron-based heat-resistant cast alloy (1983-12-20),

8. 4391635 - High Cr low Ni two-phased cast stainless steel (1983-07-05),

9. 4371775 - Method and apparatus for plasma welding (1983-02-01),

10. 4345941 - Non-pick-up and heat resistant alloy (1982-08-24),

11. 4224061 - High corrosion resistant and high strength medium Cr and low Ni (1980-09-23),

12. 4218268 - High corrosion resistant and high strength medium Cr and low Ni (1980-08-19),

13. 4050929 - Heat resisting alloyed steel (1977-09-27),

Title: Toshiaki Morichika: Innovator in High-Temperature Alloys and Magnetic Recording Media

Introduction

Toshiaki Morichika is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the fields of materials science and engineering, particularly in the development of high-temperature alloys and magnetic recording media. With a total of 13 patents to his name, Morichika's work has had a lasting impact on various industries.

Latest Patents

Among his latest innovations is the "Oxide-dispersion-strengthened heat-resistant chromium-based sintered" alloy. This advanced material is designed to improve oxidation resistance and compressive strength for applications at high temperatures of at least 1350°C. The alloy features a matrix predominantly composed of chromium, with 0.2 to 2.0% by weight of Y₂O₃ uniformly dispersed within it. The Y₂O₃ particles are notably small, with a mean size of up to 0.1 μm. Another significant patent is the "Magnetic recording medium of thin metal film type," which boasts excellent noise characteristics. This medium consists of a metal magnetic film formed on a nonmagnetic substrate, utilizing either a Co-Cr-Nb alloy or a Co-Cr-Ni-Nb alloy.

Career Highlights

Throughout his career, Toshiaki Morichika has worked with notable companies, including Kubota Corporation and Toyo Engineering Corporation. His expertise in materials science has allowed him to contribute to various innovative projects and advancements in technology.

Collaborations

Morichika has collaborated with esteemed colleagues such as Shinichi Murakami and Hisashi Hiraishi. These partnerships have fostered a creative environment that has led to groundbreaking developments in their respective fields.

Conclusion

Toshiaki Morichika's contributions to high-temperature alloys and magnetic recording media exemplify his innovative spirit and dedication to advancing technology. His patents continue to influence the industry and inspire future inventors.

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