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For the Inventor, By the Inventor

Kobe, Japan

Takeshi Ogasawara

USPTO Granted Patents = 57 

 

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 48(Granted Patents)

Forward Citations (Not Self Cited) = 42(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hirakata, JP (2002 - 2005)
  • Kobe, JP (2004 - 2017)
  • Daiti-shi, JP (2017)
  • Moriguchi, JP (2012 - 2018)
  • Daito, JP (2017 - 2019)
  • Hyogo, JP (2016 - 2023)
  • Osaka, JP (2005 - 2024)

Company Filing History:

goldMedal37 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal19 out of 13,307 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
bronzeMedal1 out of 22 
 
Sanyo Electronic Co., Ltd.
 patents

Years Active: 2002-2025

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Areas of Expertise:
Nonaqueous Electrolyte Batteries
Positive Electrode Active Material
Lithium Secondary Batteries
Alkaline Storage Batteries
Conductive Agents
Rare Earth Hydroxide
Battery Manufacturing Methods
Electrolytic Secondary Batteries
Nickel Electrodes
Battery Production Processes
Positive Electrode Production
Electrolyte Composition
57 patents (USPTO):Explore Patents
1. 12255325 - Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (2025-03-18),
2. 12237505 - Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (2025-02-25),
3. 12142763 - Positive electrode active material for non-aqueous electrolyte secondary cell, and non-aqueous electrolyte secondary cell (2024-11-12),
4. 12142762 - Positive electrode active material for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing positive electrode active material for non-aqueous electrolyte secondary battery (2024-11-12),
5. 12126021 - Positive electrode active material for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary battery (2024-10-22),
6. 12126012 - Positive electrode active material for non-aqueous electrolyte secondary battery, positive electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2024-10-22),
7. 12100832 - Positive electrode active substance for non-aqueous electrolyte secondary battery, and positive electrode for non-aqueous electrolyte secondary battery (2024-09-24),
8. 12002954 - Positive electrode active material for non-Aqueous electrolyte secondary battery, non-Aqueous electrolyte secondary battery, and method for producing positive electrode active material for non-aqueous electrolyte secondary battery (2024-06-04),
9. 12002945 - Positive electrode active material for non-aqueous electrolyte secondary battery, positive electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2024-06-04),
10. 11831013 - Positive electrode active material for non-aqueous electrolyte secondary cell, and non-aqueous electrolyte secondary cell (2023-11-28),
11. 11626588 - Positive electrode active material for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary battery (2023-04-11),
12. 11616227 - Method for manufacturing positive electrode active material for non-aqueous electrolyte secondary battery (2023-03-28),
13. 11456452 - Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery (2022-09-27),
14. 11362320 - Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active materials for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (2022-06-14),
15. 11276856 - Positive electrode active material for nonaqueous electrolyte secondary batteries and nonaqueous electrolyte secondary battery (2022-03-15),

Title: **The Innovative Contributions of Takeshi Ogasawara in Battery Technology**

Introduction

Takeshi Ogasawara, based in Kobe, Japan, is a renowned inventor with a remarkable portfolio of 57 patents. His work primarily focuses on innovations in nonaqueous electrolyte secondary batteries, which play a crucial role in various technologies today, including electric vehicles and portable electronic devices.

Latest Patents

Among his latest inventions is a positive electrode active material designed specifically for nonaqueous electrolyte secondary batteries. This invention aims to enhance the battery's capacity while minimizing the decrease in charge-discharge cycle characteristics. The innovative composite oxide includes notable elements such as lithium (Li), nickel (Ni), cobalt (Co), aluminum (Al), and tungsten (W), with a high proportion of nickel to ensure superior performance. Additionally, Ogasawara has developed a method for producing this positive electrode active material that incorporates a metal compound adhering to lithium transition metal oxide particles, bringing further advancements in battery efficiency.

Career Highlights

Takeshi Ogasawara's professional journey includes significant positions at several prestigious companies. He has contributed to the innovation landscape while working at Sanyo Electric Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His expertise in battery technology and intellectual property management has been influential in advancing the field.

Collaborations

Throughout his career, Ogasawara has collaborated with notable colleagues, including Naoki Imachi and Akihiro Kawakita. These collaborations have further enriched the development of cutting-edge technologies in the battery sector, showcasing the importance of teamwork in driving innovation.

Conclusion

Takeshi Ogasawara's contributions to the field of nonaqueous electrolyte secondary batteries highlight his role as a leading inventor in Japan. With a substantial patent portfolio and collaborative efforts with esteemed professionals, he exemplifies the spirit of innovation that propels technological advancement in battery systems, ultimately benefiting various industries and consumers worldwide.

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