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For the Inventor, By the Inventor

Chino, Japan

Hitoshi Yamamoto

This inventor holds 67 USPTO granted patents and 12 published patent applications and 4 EPO patents, primarily in Solid Electrolytes (CPC class H01M). Top assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd., Chisso Corporation. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Yamamoto. Retrieved from https://idiyas.com/inventor/hitoshi-yamamoto-j2z2ioim

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

USPTO Granted Patents = 67 

% Patents Active = 79.1

 

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 180(Granted Patents)

Forward Citations (Not Self Cited) = 163(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shigaken, JP (1998)
  • Yasu-gun, JP (1998)
  • Shiga, JP (2002)
  • Ichihara, JP (2005)
  • Chiba, JP (2007)
  • Nagano, JP (2007 - 2023)
  • Chino, JP (2008 - 2024)

Company Filing History:

goldMedal56 out of 34,296 
 
Seiko Epson Corporation
 patents
silverMedal12 out of 1,335 
 
Nippon Shokubai Co., Ltd.
 patents
bronzeMedal11 out of 1,109 
 
Chisso Corporation
 patents
4. 6 out of 148 
 
Chisso Petrochemical Corporation
 patents
where one patent can have more than one assignee

Years Active: 1998-2025

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Areas of Expertise:
Solid Electrolyte
Lithium Battery
Electrophoretic Display
Garnet-Type
Active Material
Electrode Assembly
Composite Body
Electrolyte Precursor
Functional Ceramic
Polymer Electrolyte
Manufacturing Method
Microcapsules
67 patents (USPTO):Explore Patents
1. 12283657 - Precursor solution of garnet-type solid electrolyte, method for producing precursor solution of garnet-type solid electrolyte, and garnet-type solid electrolyte (2025-04-21),
2. 12166169 - Solid electrolyte, method for producing solid electrolyte, and composite body (2024-12-10),
3. 12126006 - Positive electrode active material composite body (2024-10-22),
4. 12074278 - Solid electrolyte, method for producing solid electrolyte, and composite (2024-08-27),
5. 11916194 - Solid electrolyte, method for producing solid electrolyte, and composite (2024-02-27),
6. 11777141 - Electrolyte precursor solution, electrode assembly, battery, and electronic apparatus (2023-10-03),
7. 11777140 - Solid electrolyte, method for producing solid electrolyte, and composite body (2023-10-03),
8. 11767266 - Method for producing solid composition and method for producing functional ceramic (2023-09-26),
9. 11735766 - Solid electrolyte, method for producing solid electrolyte, and composite (2023-08-22),
10. 11641032 - Solid electrolyte, method for producing solid electrolyte, and composite body (2023-05-02),
11. 11641031 - Solid electrolyte, method for producing solid electrolyte, and composite body (2023-05-02),
12. 11629099 - Solid composition and production method for functional ceramic (2023-04-18),
13. 11437645 - Electrolyte, battery, electronic apparatus, and methods for producing electrolyte and battery (2022-09-06),
14. 11394053 - Composition for forming lithium reduction resistant layer, method for forming lithium reduction resistant layer, and lithium secondary battery (2022-07-19),
15. 11335948 - Method for producing solid electrolyte, solid electrolyte, secondary battery, and electronic apparatus (2022-05-17),

Title: Hitoshi Yamamoto: Pioneering Innovations in Solid Electrolytes

Introduction

Hitoshi Yamamoto is a prominent inventor based in Chino, Japan, renowned for his significant contributions to the field of solid electrolytes. With a remarkable portfolio of 66 patents, Yamamoto's work focuses on the development of advanced materials that enhance energy storage technology, particularly in the realm of batteries and fuel cells.

Latest Patents

Among his latest patents, Hitoshi Yamamoto has developed a solid electrolyte characterized by its unique compositional formula: LiLa(ZrWM)O. This innovation addresses critical parameters where 'x' and 'z' must satisfy the conditions 0.10≤x≤0.60 and 0.00

Career Highlights

Hitoshi Yamamoto has significantly impacted the research and development initiatives at leading companies. Notably, his tenure at Seiko Epson Corporation and Nippon Shokubai Co., Ltd. allowed him to refine his expertise further and contribute to groundbreaking innovations in material science. His deep understanding of chemical compositions and their applications underscores his status as a leading inventor in the industry.

Collaborations

Throughout his career, Yamamoto has worked alongside eminent colleagues such as Tomofumi Yokoyama and Harunobu Komatsu. These collaborations have fostered an environment of innovation, leading to advancements that push the boundaries of current technologies in energy solutions.

Conclusion

In conclusion, Hitoshi Yamamoto's contributions to the field of solid electrolytes and composite materials are not only impressive but also vital to the future of energy storage technologies. His extensive patent portfolio reflects his dedication to innovation and the continued advancement of materials that will likely play a crucial role in the evolution of battery technologies. Yamamoto remains a key figure to watch in the ongoing journey of technological progress in this vital sector.

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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