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For the Inventor, By the Inventor

Tokyo, Japan

Makihiro Otohata

This inventor holds 31 USPTO granted patents and 7 published patent applications and 5 EPO patents, primarily in Battery Technology. Top assignees: Nec Corporation, Fuji Jukogyo Kabushiki Kaisha. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makihiro Otohata. Retrieved from https://idiyas.com/inventor/makihiro-otohata

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

USPTO Granted Patents = 31 

% Patents Active = 87.1

 

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 86(Granted Patents)


Location History:

  • Tsukuba, JP (2007 - 2009)
  • Kawasaki, JP (2008 - 2009)
  • Kanagawa, JP (2011 - 2012)
  • Sagamihara, JP (2010 - 2017)
  • Tokyo, JP (2006 - 2024)

Company Filing History:

goldMedal31 out of 36,684 
 
Nec Corporation
 patents
silverMedal2 out of 2,208 
 
Fuji Jukogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 2006-2025

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Areas of Expertise:
Electrode
Battery
Lithium Ion
Manufacturing Method
Secondary Battery
Film Packaged
Porous Insulating Layer
Electric Vehicle
Stacked Battery Assembly
Durability
Electricity Storage
Film Armor
31 patents (USPTO):Explore Patents
1. 12463223 - Electrode for battery, battery having electrode and method for manufacturing electrode and battery having electrode (2025-11-04),
2. 12021241 - Electrode for secondary battery, secondary battery using the electrode and method for manufacturing thereof (2024-06-25),
3. 11581525 - Secondary battery electrode manufacturing method and secondary battery manufacturing method (2023-02-14),
4. 11563237 - Lithium ion secondary battery including porous insulating layer formed on positive electrode and electrolyte solution having halogenated cyclic acid anhydride (2023-01-24),
5. 11469408 - Electrode and secondary battery (2022-10-11),
6. 11469405 - Method for manufacturing electrode for secondary battery and method for manufacturing secondary battery (2022-10-11),
7. 11233296 - Electrode assembly and manufacturing method therefor (2022-01-25),
8. 10930919 - Method of manufacturing battery electrode and electrode manufacturing apparatus (2021-02-23),
9. 10910635 - Method for manufacturing electrode for secondary battery and method for manufacturing secondary battery (2021-02-02),
10. 10587002 - Secondary battery, method for manufacturing secondary battery, electric vehicle and electricity storage system (2020-03-10),
11. 10566660 - Film packaged battery (2020-02-18),
12. 9991561 - Lithium ion secondary battery (2018-06-05),
13. 9859589 - Method for producing secondary battery (2018-01-02),
14. 9653715 - Packaged battery, stacked battery assembly, and film-covered battery (2017-05-16),
15. 8722241 - Packaged battery, stacked battery assembly, and film-covered battery (2014-05-13),

Title: Makihiro Otohata: Pioneer in Secondary Battery Technology

Introduction

Makihiro Otohata is a notable inventor based in Tokyo, Japan, known for his significant contributions to the field of secondary battery technology. With an impressive portfolio of 30 patents, Otohata's innovations aim to enhance the performance and manufacturing processes of secondary batteries, making them more efficient and reliable.

Latest Patents

Among his latest patents, Otohata has developed an innovative electrode for secondary batteries. This invention includes a unique structure with an active material layer and an insulating layer that can be manufactured without greatly altering existing production processes. The electrode consists of a current collector, an active material layer on its surface, and an insulating layer on top of the active material. A significant feature of this invention is the high interfacial binder ratio, ensuring strong adhesion between layers.

Additionally, Otohata has patented a method for manufacturing electrodes used in secondary batteries. This method successfully prevents the mixing of different layers during production, allowing for the creation of a laminated structure essential for battery functionality. The specified viscosities for the slurries used in the layering process are critical for achieving the desired results.

Career Highlights

Throughout his career, Makihiro Otohata has collaborated with leading companies in the technology sector, notably NEC Corporation and Fuji Jukogyo Kabushiki Kaisha. His work in these organizations has allowed him to refine his expertise and develop practical solutions for complex engineering challenges in battery technology.

Collaborations

Otohata has worked alongside esteemed colleagues such as Hiroshi Yageta and Noboru Yoshida. Their collaborative efforts have fostered an environment of innovation, further propelling advancements in battery manufacturing techniques and applications.

Conclusion

Makihiro Otohata's contributions to the field of secondary battery technology are invaluable. His extensive patent portfolio and dedication to innovation highlight his role as a leading inventor in this critical area. As technology continues to evolve, Otohata's inventions will undoubtedly play a significant part in shaping the future of energy storage solutions.

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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