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For the Inventor, By the Inventor

Gotenba, Japan

Masatsugu Kawakami

This inventor holds 16 USPTO granted patents and 7 published patent applications, primarily in Solid-State Batteries. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatsugu Kawakami. Retrieved from https://idiyas.com/inventor/masatsugu-kawakami

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Gotenba, JP (2017 - 2018)
  • Gotemba, JP (2018)
  • Susono, JP (2017 - 2019)
  • Nagaizumi-cho, JP (2021)
  • Sunto-gun, JP (2020 - 2022)
  • Shizuoka-ken, JP (2021 - 2024)

Company Filing History:

goldMedal16 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents

Years Active: 2017-2025

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Areas of Expertise:
Battery System
All-Solid-State Battery
Cathode Active Material
Battery Module
Sulfide Solid Electrolyte
Lithium Battery
Active Material Powder
Production Method
16 patents (USPTO):Explore Patents
1. 12399224 - Battery system (2025-08-26),
2. 12148899 - Battery system (2024-11-19),
3. 11881567 - Battery system (2024-01-23),
4. 11680988 - Battery system (2023-06-20),
5. 11417911 - All-solid-state battery and method for producing the same (2022-08-16),
6. 11329322 - Battery module (2022-05-10),
7. 11139468 - Cathode active material, cathode mixture, method for producing cathode active material, method for producing cathode, and method for producing oxide solid-state battery (2021-10-05),
8. 10950862 - Method for producing cathode, and method for producing oxide solid-state battery (2021-03-16),
9. 10950832 - Battery module (2021-03-16),
10. 10720636 - Method for producing sintered electrode (2020-07-21),
11. 10270135 - All-solid-state battery (2019-04-23),
12. 9972826 - Method for producing cathode active material for solid state battery (2018-05-15),
13. 9929403 - Method of producing an active material powder (2018-03-27),
14. 9748603 - Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material (2017-08-29),
15. 9614224 - Cathode active material for lithium battery, lithium battery, and method for producing cathode active material for lithium battery (2017-04-04),

Title: Masatsugu Kawakami: Innovator in Battery Technology

Introduction

Masatsugu Kawakami is a prominent inventor based in Gotenba, Japan. He has made significant contributions to the field of battery technology, holding a total of 16 patents. His innovative work focuses on developing advanced battery systems that enhance safety and efficiency.

Latest Patents

Kawakami's latest patents include a battery system designed to avoid overcharging through a simple sensor element. This system comprises a battery module with two battery packs connected in parallel, along with a monitoring unit that tracks the condition of the battery module. The control unit calculates a determining value based on the total current and determines the occurrence of an overcharge. Another notable patent addresses over-discharging, featuring a battery pack with a monitoring unit and a control unit that adjusts the discharge cutoff voltage based on capacity conditions.

Career Highlights

Masatsugu Kawakami is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in battery technology. His work has been instrumental in advancing the safety and performance of battery systems used in various applications.

Collaborations

Kawakami collaborates with talented coworkers, including Yuki Kato and Takamasa Ohtomo, to further enhance the development of battery technologies.

Conclusion

Masatsugu Kawakami's contributions to battery technology exemplify his commitment to innovation and safety in energy storage solutions. His patents reflect a deep understanding of the complexities involved in battery management systems, making him a key figure in this field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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