Shizuoka, Japan

Masana Shiba

This inventor holds 20 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 8 EPO patents, primarily in Toner Development. Top assignee: Ricoh Company, Ltd.. Active years: 2012-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masana Shiba. Retrieved from https://idiyas.com/inventor/masana-shiba

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

USPTO Granted Patents = 20 

% Patents Active = 45.0


 

Average Co-Inventor Count = 6.3

ph-index = 5

Forward Citations = 61(Granted Patents)


Location History:

  • Numazu, JP (2012 - 2014)
  • Shizuoka, JP (2014 - 2024)

Company Filing History:


Years Active: 2012-2024

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Areas of Expertise:
Solar Cell Module
Photoelectric Conversion
Image Forming Apparatus
Toner
Electrophotographic Toner
Developer
Process Cartridge
Color Toner Set
Toner Housing
Two-Component Developer
Toner Manufacturing
Electrostatic Image
20 patents (USPTO):Explore Patents

Title: Masana Shiba: Innovator in Photovoltaic Technology

Introduction

Masana Shiba is a prominent inventor based in Shizuoka, Japan, with a remarkable portfolio of 20 patents to his name. His work primarily focuses on advancements in solar cell technology and electronic devices, contributing significantly to the renewable energy sector.

Latest Patents

Among his latest innovations, Shiba has developed a solar cell module that features a first substrate integrated with multiple photoelectric conversion elements. These elements consist of a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. Notably, in his design, at least two adjacent photoelectric conversion elements have extended continuous hole transport layers, enhancing efficiency. The hole transport layer incorporates materials such as a polymer or a compound with a molecular weight of 2,000 or more, underscoring Shiba's commitment to optimizing energy conversion processes.

Additionally, Shiba's work includes the creation of a photoelectric conversion element in which the hole-transporting layer and the second electrode are in direct contact. This unique configuration allows for precise adjustments in thickness and composition, adhering to specific formulas for performance metrics.

Career Highlights

Masana Shiba has made impressive strides in his career at Ricoh Company, Ltd., where he has been able to implement his innovative ideas and take part in groundbreaking projects. His expertise in electrical engineering and materials science has positioned him as a key player in his field, leading to numerous patents and academic contributions.

Collaborations

Shiba collaborates with several accomplished coworkers, including Rintaro Takahashi and Tsuyoshi Sugimoto. Together, they foster a creative environment, driving forward research and development initiatives that enhance the performance and usability of electronic devices and solar technologies.

Conclusion

In conclusion, Masana Shiba represents a significant force in the realm of photovoltaic innovation, with his extensive patent portfolio reflecting his dedication to enhancing energy efficiency. His collaborative work at Ricoh Company, Ltd. continues to pave the way for future advancements in sustainable technology, reinforcing the importance of innovation in addressing global energy challenges.

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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