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For the Inventor, By the Inventor

Hiroshima, Japan

Seiji Okazaki

USPTO Granted Patents = 14 



Average Co-Inventor Count = 6.7

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Kamakura, JP (2003 - 2004)
  • Onoda, JP (2004 - 2008)
  • Ohtake, JP (2011)
  • Kanagawa, JP (2003 - 2012)
  • Hiroshima-ken, JP (2013)
  • Hiroshima, JP (2015 - 2017)
  • Otake, JP (2015 - 2020)

Company Filing History:

goldMedal7 out of 388 
 
Toda Kogyo Corporation
 patents
silverMedal5 out of 3,476 
 
Toray Industries, Inc.
 patents
bronzeMedal3 out of 331 
 
Jx Nippon Oil Energy Corporation
 patents
4. 1 out of 1 
 
Mt Carbon Co., Ltd.
 patent
5. 1 out of 1 
 
Toda Kyogo Corp.
 patent
where one patent can have more than one assignee

Years Active: 2003-2020

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14 patents (USPTO):Explore Patents
1. 10570016 - Carbon nanotube and process for producing the carbon nanotube, and lithium ion secondary battery using the carbon nanotube (2020-02-25),
2. 9831490 - Graphite material for negative electrode of lithium-ion secondary battery, lithium-ion secondary battery including the graphite material, and method of manufacturing graphite material for lithium-ion secondary battery (2017-11-28),
3. 9214666 - Graphite material with lattice distortion for use in lithium-ion secondary battery negative electrodes, and lithium-ion secondary battery (2015-12-15),
4. 9147873 - Method of producing amorphous carbon material for the negative electrode of lithium ION secondary battery, and lithium ION secondary battery (2015-09-29),
5. 9142832 - Graphite material for negative electrodes of lithium ion secondary battery, manufacturing method for said material, and lithium ion secondary battery using same (2015-09-22),
6. 8592085 - Nickel-cobalt-maganese-based compound particles and process for producing the nickel-cobalt-manganese-based compound particles, lithium composite oxide particles and process for producing the lithium composite oxide particles, and non-aqueous electrolyte secondary battery (2013-11-26),
7. 8198330 - Therapeutic or prophylactic agent for diabetes, obesity, dyslipidemia or metabolic syndrome comprising benzylamine derivative or pharmaceutically acceptable acid addition salt thereof (2012-06-12),
8. 7871595 - Fine barium titanate particles (2011-01-18),
9. 7431908 - Coated spherical tetragonal barium titanate particles and process for producing the same (2008-10-07),
10. 6808697 - Spherical tetragonal barium titanate particles and process for producing the same (2004-10-26),
11. 6692758 - Insertion stabilizers for implants (2004-02-17),
12. 6670343 - Drugs for periodontal disease (2003-12-30),
13. 6579860 - Interleukin-6 production inhibitors (2003-06-17),
14. 6555529 - Remedies for intramedullary diseases (2003-04-29),

Title: Seiji Okazaki: Pioneering Innovations in Carbon Nanotubes and Lithium-Ion Batteries

Introduction

Seiji Okazaki, a distinguished inventor based in Hiroshima, Japan, has made significant contributions to the fields of materials science and energy storage technology. With a portfolio of 9 patents, Okazaki’s innovations focus particularly on carbon nanotubes and lithium-ion secondary batteries, revolutionizing how these materials are produced and utilized.

Latest Patents

Among Okazaki's latest patents is a groundbreaking invention related to carbon nanotubes and the process for their production. His invention emphasizes producing carbon nanotubes that demonstrate exceptional dispersibility. The unique design comprises both a parallel portion and a narrowed portion, ensuring a tube outer diameter that does not exceed 90% of the parallel portion. This design leads to high abundance ratios of easily-breaking portions, enhancing the dispersibility of the carbon nanotubes in various applications.

Another critical patent involves a graphite material intended for the negative electrode of lithium-ion secondary batteries. This entails a specific ratio of expansion of graphene sheets to sheet displacement, ranging between 0.08 to 0.11. Detailed specifications illustrate the crystallite size and particle size, ensuring optimal performance for lithium-ion batteries. These innovations represent a significant advancement in energy storage technology, enhancing both efficiency and application potential.

Career Highlights

Seiji Okazaki has lent his expertise to reputable companies, including Toda Kogyo Corporation and JX Nippon Oil & Energy Corporation. His career in these organizations has been marked by a focus on developing high-performance materials that blend industrial needs with innovative solutions.

Collaborations

Throughout his career, Okazaki has collaborated with notable colleagues, including Wataru Oda and Toshiaki Hiramoto. These partnerships have fostered a collaborative environment conducive to groundbreaking research and development, significantly contributing to the advancements in his patented technologies.

Conclusion

Seiji Okazaki stands out as a prominent figure in the landscape of innovation, with a particular focus on carbon nanotubes and lithium-ion battery technology. His inventions not only advance materials science but also pave the way for future research and applications in energy storage solutions. Through his contributions, Okazaki continues to play a vital role in shaping the future of modern technology.

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