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For the Inventor, By the Inventor

Ikeda, Japan

Mitsuharu Tabuchi

This inventor holds 17 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Lithium-Ion Battery Chemistry. Top assignees: National Institute of Advanced Industrial Science and Technology, Agency of Industrial Science and Technology, Nec Corporation. Active years: 1999-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuharu Tabuchi. Retrieved from https://idiyas.com/inventor/mitsuharu-tabuchi

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 70.6


Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Suita, JP (2003)
  • Ikeda, JP (1999 - 2016)
  • Osaka, JP (2000 - 2023)

Company Filing History:

goldMedal6 out of 1,770 
 
National Institute of Advanced Industrial Science and Technology
 patents
silverMedal4 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
bronzeMedal3 out of 36,770 
 
Nec Corporation
 patents
4. 3 out of 33 
 
Tanaka Chemical Corporation
 patents
5. 2 out of 1,908 
 
Kabushiki Kaisha Toyota Jidoshokki
 patents
6. 1 out of 31 
 
Agency of Industrial Science & Technology, Ministry of International Trade & Industry
 patents
7. 1 out of 172 
 
Agency of Industrial Science and Technology Ministry of International
 patents
8. 1 out of 196 
 
Nec C Orporation
 patents
9. 1 out of 2 
 
Secretary, Agency of Industrial Science and Technology
 patents
10. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1999-2023

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Areas of Expertise:
Lithium-Manganese Composite Oxide
Positive Electrode Material
Lithium-Ion Secondary Battery
Lithium-Iron-Manganese Composite
Lithium Sulfide-Carbon Complex
Lithium Silicate-Based Compound
Sintered Lithium Titanium Phosphate
Layered Rock-Salt Type Lithium
Granular Magnetic Oxide Particles
High Sodium Ion Conducting Electrolyte
Discharge Capacity Prediction
Lithium Ferrite Preparation
17 patents (USPTO):Explore Patents
1. 11552295 - Lithium-manganese composite oxide, and method for producing same, and positive electrode material, positive electrode and lithium ion secondary battery using same (2023-01-10),
2. 11417881 - Lithium-manganese complex oxide and method for producing same (2022-08-16),
3. 10847788 - Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same (2020-11-24),
4. 10164250 - Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same (2018-12-25),
5. 9337476 - Lithium sulfide-carbon complex, process for producing the complex, and lithium ion secondary battery utilizing the complex (2016-05-10),
6. 9330805 - Lithium silicate-based compound, positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery using the same (2016-05-03),
7. 9082525 - Lithium silicate-based compound and production process for the same, positive-electrode active material and positive electrode for use in lithium-ion secondary battery as well as secondary battery (2015-07-14),
8. 8021783 - Lithium manganese-based composite oxide and method for preparing the same (2011-09-20),
9. 7713662 - Lithium-manganese-based composite oxide containing titanium and nickel (2010-05-11),
10. 6720111 - Single-phase lithium ferrite based oxide (2004-04-13),
11. 6596255 - Tin-containing granular magnetic oxide particles and process for producing the same (2003-07-22),
12. 6399041 - Process for producing layered rock-salt type lithium cobalt oxide by hydrothermal oxidation (2002-06-04),
13. 6254844 - Method for production of sintered lithium titaniumphosphate and sintered pellets obtained by the method (2001-07-03),
14. 6193947 - Process for preparing layered rock-salt type lithium manganese oxide by mixed alkaline hydrothermal method (2001-02-27),
15. 6117595 - High sodium ion conducting inorganic composite solid electrolyte and (2000-09-12),

Title: Mitsuharu Tabuchi: Innovator in Lithium-Manganese Composite Oxides

Introduction

Mitsuharu Tabuchi is a prominent inventor based in Ikeda, Japan. He has made significant contributions to the field of battery technology, particularly in the development of lithium-manganese composite oxides. With a total of 17 patents to his name, Tabuchi's work has advanced the efficiency and performance of lithium-ion batteries.

Latest Patents

Among his latest patents are innovations related to lithium-manganese composite oxides. One notable patent describes a lithium-manganese composite oxide containing a lithium-iron-manganese composite oxide represented by the composition formula Li(FeNiMn)O. This innovative material is designed to enhance the performance of lithium-ion batteries by utilizing a unique combination of elements that provide high specific capacity and excellent charge-and-discharge cycle characteristics. Another patent focuses on a lithium-manganese composite oxide with a crystalline phase having a layered rock-salt structure, which is made from less resource-constrained and cheaper elements.

Career Highlights

Mitsuharu Tabuchi has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology and the Agency of Industrial Science and Technology. His research and development efforts have positioned him as a key figure in the advancement of battery technology.

Collaborations

Throughout his career, Tabuchi has collaborated with notable colleagues, including Hiroyuki Kageyama and Kazuaki Ado. These partnerships have contributed to the successful development of innovative battery materials and technologies.

Conclusion

Mitsuharu Tabuchi's contributions to the field of lithium-manganese composite oxides have significantly impacted battery technology. His innovative patents and collaborations highlight his role as a leading inventor in this critical area of research.

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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