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For the Inventor, By the Inventor

Kobe, Japan

Atsushi Yanai

USPTO Granted Patents = 11

Average Co-Inventor Count = 5.4

ph-index = 7

Forward Citations = 122(Granted Patents)


Location History:

  • Osaka, JP (2001 - 2002)
  • Minoo, JP (2000 - 2003)
  • Yono, JP (2002 - 2005)
  • Kobe, JP (2008)
  • Itano-gun, JP (2009)

Company Filing History:

goldMedal11 out of 8,781 
 
Sanyo Electric Co., Ltd.
 patents

Years Active: 2000-2009

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11 patents (USPTO):Explore Patents
1. 7544443 - Nonaqueous electrolyte secondary battery (2009-06-09),
2. 7452636 - Lithium secondary battery (2008-11-18),
3. 7378190 - Non-aqueous electrolyte secondary battery (2008-05-27),
4. 7335446 - Non-aqueous electrolyte secondary battery (2008-02-26),
5. 6869546 - Carbon materials, electrodes and nonaqueous electrolyte secondary cells (2005-03-22),
6. 6620552 - Lithium secondary battery (2003-09-16),
7. 6537697 - Lithium secondary battery (2003-03-25),
8. 6458485 - Nonaqueous electrolyte secondary cell (2002-10-01),
9. 6368749 - Active substances, electrodes, nonaqueous electrolyte secondary cells, and a process for fabricating the active substances (2002-04-09),
10. 6235426 - Nonaqueous electrolyte secondary cell wit PTC current collector tabs (2001-05-22),
11. 6045594 - Method of manufacturing nonaqueous electrolyte battery (2000-04-04),

Title: Innovations of Atsushi Yanai in Battery Technology

Introduction

Atsushi Yanai is a prominent inventor based in Kobe, Japan, known for his significant contributions to battery technology. With a total of 11 patents to his name, Yanai has been instrumental in advancing the field of nonaqueous electrolyte secondary batteries and lithium secondary batteries.

Latest Patents

One of his latest patents involves a nonaqueous electrolyte secondary battery that features a positive electrode with a lithium intercalating active material and a negative electrode with a similar capability. This innovative design includes a nonaqueous electrolyte that enhances lithium ion conductivity. The positive electrode active material is a layered lithium transition metal composite oxide, which is enhanced by the addition of IVa group element (Zr) and Va group element (Nb). This combination aims to reduce I-V resistance, thereby improving the output and input characteristics of the battery.

Another notable patent by Yanai is for a lithium secondary battery that comprises a positive electrode, a negative electrode made from a carbon material, and a nonaqueous electrolyte. The electrolyte is characterized by a specific composition that includes γ-butyrolactone as the main solvent, along with vinylene carbonate and vinyl ethylene carbonate. This innovative approach aims to enhance the performance and efficiency of lithium secondary batteries.

Career Highlights

Atsushi Yanai is currently associated with Sanyo Electric Co., Ltd., where he continues to innovate in the field of battery technology. His work has significantly impacted the development of more efficient and reliable battery systems.

Collaborations

Yanai has collaborated with notable colleagues such as Katsunori Yanagida and Toshiyuki Nohma, contributing to various advancements in battery technology.

Conclusion

Atsushi Yanai's contributions to battery technology through his innovative patents have positioned him as a key figure in the field. His work continues to influence the development of advanced battery systems that are essential for modern technology.

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