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Taketoshi Okuno

USPTO Granted Patents = 13 (Patent Applications = 4)

EPO Patents = 2 (Patent Applications = 10)

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 5(Granted Patents)

Location History:

Tsukuba, JP (2013)
Okayama, JP (2019)
Kurashiki, JP (2003 - 2023)

Company Filing History:

where one patent can have more than one assignee

Years Active: 2003-2025

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12368163 - Hardly graphitizable carbonaceous material for nonaqueous electrolyte secondary batteries fully charged to be used, method for producing same, negative electrode material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery fully charged to be used (2025-07-22),

2. 12266802 - Carbonaceous material, method for producing same, and electrochemical device (2025-04-01),

3. 11634330 - Carbonaceous material and method for producing same (2023-04-25),

4. 11355755 - Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte (2022-06-07),

5. 11345601 - Carbonaceous material for negative pole active substance of nonaqueous electrolyte secondary battery, negative pole for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing carbonaceous material (2022-05-31),

6. 10984963 - Carbonaceous material, carbonaceous material-containing electrode material for electric double layer capacitor, electrode for electric double layer capacitor, and electric double layer capacitor (2021-04-20),

7. 10734650 - Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing carbonaceous material for non-aqueous electrolyte secondary battery (2020-08-04),

8. 10472239 - Carbonaceous material for electronic materials (2019-11-12),

9. 10381637 - Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries (2019-08-13),

10. 8477480 - Laminate, separator for capacitor, and capacitor (2013-07-02),

11. 8354774 - Dielectric material for polymeric actuator, and polymeric actuator using the same (2013-01-15),

12. 7728180 - Method for producing ethers (2010-06-01),

13. 6541575 - Process for producing an epoxidized polymer (2003-04-01),

Title: **Innovative Contributions of Taketoshi Okuno in Carbonaceous Materials**

Introduction

Taketoshi Okuno, a distinguished inventor based in Kurashiki, Japan, has made significant contributions to the field of carbonaceous materials with a total of 11 patents to his name. His work focuses primarily on the development of materials suitable for non-aqueous electrolyte secondary batteries, aiming to improve their efficiency and performance.

Latest Patents

Among Okuno's latest patents, one noteworthy invention is related to a novel carbonaceous material derived from plants. This material boasts a specific surface area ranging from 1800 to 3000 m²/g, measured by the BET method, and features a hydrogen content of 0.42% by mass or less, along with an oxygen content of 1.5% by mass or less. Another significant patent involves a carbonaceous material specifically designed for non-aqueous electrolyte secondary batteries, characterized by an average interplanar spacing of the (002) plane between 0.36 to 0.42 nm. This latter invention also specifies a nitrogen content of 0.5 mass % or less and an average particle diameter of 1 to 2.8 μm, highlighting the precision of Okuno’s research.

Career Highlights

Okuno has collaborated with prominent companies such as Kuraray Co., Ltd., where he has further expanded his expertise in material science. His career reflects a sustained commitment to innovation and a deep understanding of the complexities involved in developing new materials for advanced battery technology.

Collaborations

Throughout his professional journey, Taketoshi Okuno has worked alongside esteemed colleagues, including Hideharu Iwasaki and Takafumi Izawa. These collaborations have not only enriched his research but also facilitated the exchange of ideas crucial for innovative breakthroughs.

Conclusion

Taketoshi Okuno stands out as a significant figure in the realm of carbonaceous materials, with a rich portfolio of patents that address contemporary challenges in battery technology. His inventive spirit and dedication to research continue to influence the advancement of energy storage solutions, solidifying his legacy as a vital contributor to innovation in this field.

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