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For the Inventor, By the Inventor

Hitachiota, Japan

Seizi Takeuchi

USPTO Granted Patents = 15

Average Co-Inventor Count = 5.2

ph-index = 6

Forward Citations = 118(Granted Patents)


Location History:

  • Hitachiohta, JP (1985 - 1986)
  • Hitachiota, JP (1981 - 1996)
  • Hitachioota, JP (1997)

Company Filing History:

goldMedal15 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1981-1997

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15 patents (USPTO):Explore Patents
1. 5625332 - Oxide superconducting wire and superconducting apparatus thereof (1997-04-29),
2. 5545610 - Oxide-based superconductor, a process for preparing the same and a wire (1996-08-13),
3. 5510323 - Tl.sub.1 (Ba.sub.1-x Sr.sub.8).sub.2 Ca.sub.2 Cu.sub.3 Oy oxide (1996-04-23),
4. 5502029 - Laminated super conductor oxide with strontium, calcium, copper and at (1996-03-26),
5. 5300482 - Oxide superconductors (1994-04-05),
6. 4643957 - Fuel cell (1987-02-17),
7. 4623415 - Method of making fuel cell (1986-11-18),
8. 4578112 - Catalytic reaction process (1986-03-25),
9. 4529671 - Fuel cell (1985-07-16),
10. 4493879 - Fuel cell (1985-01-15),
11. 4457987 - Liquid fuel cell (1984-07-03),
12. 4446210 - Fuel cell electrode (1984-05-01),
13. 4409129 - Method of manufacturing catalyst (1983-10-11),
14. 4407905 - Fuel cell (1983-10-04),
15. 4282092 - Process for preparing inorganic particulate adsorbent and process for (1981-08-04),

Title: Seizi Takeuchi: Innovator in Superconducting Technology

Introduction

Seizi Takeuchi is a prominent inventor based in Hitachiota, Japan, known for his significant contributions to the field of superconducting materials. With a total of 15 patents to his name, Takeuchi has made remarkable advancements that have the potential to revolutionize various applications in technology and engineering.

Latest Patents

Among his latest patents is the development of an oxide superconducting wire and a superconducting apparatus. This invention features a superconducting wire that comprises a conductor core made of an oxide superconducting material, surrounded by a sheath material composed of conductive metal. The sheath material is a composite metal that includes dispersed non-superconductive metallic oxide, providing the wire with enhanced mechanical strength and controllable electric and thermal conductivity. Another notable patent involves an oxide-based superconductor that includes elements such as Tl, Pb, Sr, Ca, and Cu. This superconductor is prepared through a unique process that improves current pass characteristics in high magnetic fields by enhancing electric contact among grains and increasing crystal grain sizes.

Career Highlights

Seizi Takeuchi has had a distinguished career, working with renowned companies such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His work has focused on advancing superconducting technologies, which are critical for various high-tech applications.

Collaborations

Throughout his career, Takeuchi has collaborated with notable colleagues, including Toshiki Kahara and Jinichi Imahashi. These collaborations have contributed to the innovative developments in superconducting materials and technologies.

Conclusion

Seizi Takeuchi's contributions to the field of superconducting technology highlight his role as a leading inventor. His patents reflect a commitment to innovation and the advancement of materials that can significantly impact various industries.

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