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For the Inventor, By the Inventor

Inashiki-gun, Japan

Nobuyuki Ishiwatari

USPTO Granted Patents = 9 

 

Average Co-Inventor Count = 5.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Ibaraki, JP (2015 - 2020)
  • Inashiki-gun, JP (2020 - 2024)
  • Chiyoda-ku, JP (2021 - 2024)

Company Filing History:

goldMedal9 out of 2,346 
 
Mitsubishi Chemical Corporation
 patents

Years Active: 2015-2025

where 'Filed Patents' based on already Granted Patents

9 patents (USPTO):
1. 12334558 - Carbon material, method for producing carbon material, and non-aqueous secondary battery using carbon material (2025-06-17),
2. 11961996 - Negative electrode material for nonaqueous secondary batteries, negative electrode for nonaqueous secondary batteries, and nonaqueous secondary battery (2024-04-16),
3. 11936044 - Carbon material, method for producing carbon material, and non-aqueous secondary battery using carbon material (2024-03-19),
4. 11605810 - Method to prepare composite graphite particles for nonaqueous secondary battery negative electrode, active material for nonaqueous secondary battery negative electrode, and nonaqueous secondary battery (2023-03-14),
5. 11245108 - Method to prepare composite graphite particles for nonaqueous secondary battery negative electrode, active material for nonaqueous secondary battery negative electrode, and nonaqueous secondary battery (2022-02-08),
6. 11183679 - Negative electrode material for nonaqueous secondary battery, negative electrode for nonaqueous secondary battery, and nonaqueous secondary battery (2021-11-23),
7. 10720645 - Carbon material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and manufacturing method for carbon material for non-aqueous electrolyte secondary battery (2020-07-21),
8. 10680238 - Method to prepare composite graphite particles for nonaqueous secondary battery negative electrode, active material for nonaqueous secondary battery negative electrode, and nonaqueous secondary battery (2020-06-09),
9. 8936876 - Carbon material for nonaqueous secondary battery, negative electrode using carbon material and nonaqueous secondary battery (2015-01-20),

Title: Nobuyuki Ishiwatari: Innovator in Carbon Materials and Battery Technology

Introduction

Nobuyuki Ishiwatari is a prominent inventor based in Inashiki-gun, Japan. He has made significant contributions to the field of carbon materials and non-aqueous secondary batteries. With a total of nine patents to his name, Ishiwatari's work is recognized for its innovative approaches and practical applications.

Latest Patents

Ishiwatari's latest patents focus on carbon materials and methods for producing them. One of his notable inventions includes a carbon material that serves as a negative electrode material for non-aqueous secondary batteries. This invention is designed to yield high-capacity batteries with excellent discharge rate characteristics. The negative electrode material comprises carbonaceous particles and silicon oxide particles, with specific particle size distributions that enhance battery performance. His work also includes advancements in non-aqueous secondary batteries that exhibit excellent charge-discharge efficiency.

Career Highlights

Nobuyuki Ishiwatari is affiliated with Mitsubishi Chemical Corporation, where he continues to innovate in the field of materials science. His career is marked by a commitment to developing technologies that improve energy storage solutions. His contributions have been instrumental in advancing battery technology, particularly in enhancing the performance and efficiency of non-aqueous secondary batteries.

Collaborations

Ishiwatari collaborates with talented colleagues, including Shunsuke Yamada and Satoshi Akasaka. Together, they work on various projects that push the boundaries of current technology and explore new possibilities in materials science.

Conclusion

Nobuyuki Ishiwatari's work in carbon materials and battery technology exemplifies the spirit of innovation. His patents and collaborations contribute significantly to advancements in energy storage solutions. His ongoing research continues to pave the way for future developments in the field.

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