logo

For the Inventor, By the Inventor

Tokyo, Japan

Tomohiro Sakai

This inventor holds 29 USPTO granted patents and 7 published patent applications and 1 EPO patent, primarily in Lithium-Ion Battery Technology. Top assignees: Nec Corporation, Sumitomo Chemical Company, Limited, Agc Inc.. Active years: 1997-2026.

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

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

Calculating rank
USPTO Granted Patents = 29 

% Patents Active = 75.9

 

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 100(Granted Patents)


Location History:

  • Yokohama, JP (2008)
  • Tokyo, JP (1997 - 2022)
  • Kawasaki, JP (2015 - 2022)
  • Chiyoda-ku, JP (2010 - 2023)

Company Filing History:

goldMedal8 out of 36,735 
 
Nec Corporation
 patents
silverMedal7 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents
bronzeMedal4 out of 1,161 
 
Agc Inc.
 patents
4. 4 out of 2,560 
 
Asahi Glass Company, Limited
 patents
5. 3 out of 279 
 
Agc Glass Europe
 patents
6. 3 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
7. 2 out of 93 
 
Thine Electronics, Inc.
 patents
8. 1 out of 39,378 
 
Fujitsu Corporation
 patents
where one patent can have more than one assignee

Years Active: 1997-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Lithium Ion Secondary Battery
Cathode Active Material
Production Process
Solar Cell Module
Glass Frit
Coating Material
Video Data Transmission
Communication Apparatus
Imaging Apparatus
Disk Drive
Construction-Use Material
Signal Transmitting
29 patents (USPTO):Explore Patents
1. 12591993 - Information generation apparatus, information generation method, and storage medium (2026-03-31),
2. 12451512 - Glass frit, crystallized glass, method for producing crystallized glass, solid electrolyte, and lithium ion secondary battery (2025-10-21),
3. 12206035 - Solar battery module, method for manufacturing same, and construction-use exterior wall material using same (2025-01-21),
4. 11616155 - Cover glass for solar cell module and solar cell module (2023-03-28),
5. 11563403 - Coating material, cover glass, solar cell module and outer wall material for building (2023-01-24),
6. 11496535 - Video data transmission apparatus, video data transmitting method, and storage medium (2022-11-08),
7. 11302918 - Cathode active material, positive electrode for lithium ion secondary battery, and lithium ion secondary battery (2022-04-12),
8. 11239463 - Process for producing cathode active material, cathode active material, positive electrode, and lithium ion secondary battery (2022-02-01),
9. 11165060 - Cathode active material, its production process, and positive electrode for lithium ion secondary battery (2021-11-02),
10. 11122187 - Transmitter, receiver, transmitter/receiver, and transmitting/receiving system (2021-09-14),
11. 11038167 - Cathode active material, positive electrode for lithium ion secondary battery, and lithium ion secondary battery (2021-06-15),
12. 10951887 - Imaging apparatus, processing method for imaging apparatus, and storage medium (2021-03-16),
13. 10811682 - Cathode active material, positive electrode for lithium ion secondary battery and lithium ion secondary battery (2020-10-20),
14. 10763504 - Transition metal-containing hydroxide, and method for producing lithium-containing composite oxide (2020-09-01),
15. 10742455 - Equalizer adjusting device, equalizer adjusting method, receiver, and signal transmitting and receiving system (2020-08-11),

Title: Innovations in Solar Technology by Tomohiro Sakai

Introduction: Tomohiro Sakai is a distinguished inventor based in Tokyo, Japan, renowned for his contributions to solar technology. With an impressive portfolio of 24 patents, he has been at the forefront of innovations that enhance the efficiency and aesthetic appeal of solar energy solutions.

Latest Patents: Sakai’s latest patents focus on advanced solar battery modules and construction-use exterior wall materials. One significant invention describes a solar cell module designed with exceptional design properties and weather resistance. This innovative solar cell module incorporates a structured layering system that includes a cover glass, first encapsulant layer, design layer, second encapsulant layer, and solar cells arranged sequentially from the light-receiving surface.

Furthermore, he has developed a cover glass for solar modules that maintains power generation efficiency even when designed to conceal solar cells from view. This cover glass, bonded to light-receiving surfaces of solar cells via encapsulant material, offers a visible transmittance of 0% to 60% and an average infrared transmittance ranging from 20% to 100%, showcasing significant advancements in material science.

Career Highlights: Throughout his career, Tomohiro Sakai has contributed to notable companies, including NEC Corporation and Sumitomo Chemical Company, Limited. His work has been pivotal in driving forward innovative practices within the field of solar energy.

Collaborations: Sakai has collaborated with talented coworkers such as Tsubasa Takasugi and Yoshihisa Beppu, pooling their expertise to create groundbreaking inventions in solar technology. These collaborations have significantly bolstered the development of high-performance solar solutions.

Conclusion: Tomohiro Sakai stands out as a key innovator in the realm of solar technology, with a commendable record of patents that reflect his dedication to improving renewable energy efficiency and design. His ongoing contributions are sure to influence the future of solar energy utilization, paving the way for more sustainable building practices.

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…