Osaka, Japan

Toshihiko Sakai

This inventor holds 27 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Photovoltaic Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2011-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Sakai. Retrieved from https://idiyas.com/inventor/toshihiko-sakai

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

USPTO Granted Patents = 27 

% Patents Active = 40.7

 

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Kitakatsuragi-gun, JP (2011)
  • Nara, JP (2012)
  • Osaka, JP (2012 - 2016)
  • Sakai, JP (2019 - 2022)

Company Filing History:


Years Active: 2011-2022

Loading Chart...
Loading Chart...
Areas of Expertise:
Photovoltaic Devices
Solar Power Generation
Photoelectric Conversion
Optical Recording Medium
Magnetic Recording
Image Watching System
Film-Forming Method
Optical Storage Medium
Three-Dimensional Imaging
Reproduction Apparatus
Control Method
Storage Medium
27 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Toshihiko Sakai in Photovoltaics**

Introduction

Toshihiko Sakai, based in Osaka, Japan, is a prominent inventor known for his significant contributions to the field of photovoltaic technology. With an impressive portfolio of 27 patents, Sakai has focused on innovations that enhance the efficiency and effectiveness of solar power generation systems.

Latest Patents

Sakai's latest patents revolve around advanced photovoltaic devices and modules. One of his inventions includes a photovoltaic device that features a semiconductor substrate extending in two intersecting directions. This device is enhanced by the inclusion of a first amorphous semiconductor film and a second amorphous semiconductor film, which differ in conductivity type. Furthermore, his innovations in photovoltaic modules involve the strategic arrangement of n-type and p-type amorphous semiconductor layers on the back surface of the semiconductor substrate. This arrangement promotes improved performance by allowing the layers to be separated by a desired interval, optimizing solar energy conversion.

Career Highlights

Toshihiko Sakai is a key contributor at Sharp Kabushiki Kaisha Corporation, where he has applied his expertise in developing advanced solar technologies. His work has garnered attention in the industry, illustrating his dedication to refining photovoltaic applications for increased energy effectiveness.

Collaborations

Throughout his career, Sakai has collaborated with notable colleagues, such as Hideharu Tajima and Go Mori. These partnerships have further enriched his research and development endeavors, leading to innovative breakthroughs in photovoltaic technology.

Conclusion

Toshihiko Sakai's work in the realm of photovoltaic inventions has solidified his reputation as a leading inventor in the field. His continuous effort to innovate and adapt technology in solar energy demonstrates a commitment to fostering sustainable energy solutions. As the industry evolves, Sakai's contributions are likely to inspire future advancements in renewable energy technologies.

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]
Loading…