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For the Inventor, By the Inventor

Kyoto, Japan

Takahiro Yajima

This inventor holds 36 USPTO granted patents and 5 published patent applications and 1 EPO patent, primarily in Photovoltaic Technology. Top assignees: Canon Kabushiki Kaisha, Ulvac, Inc.. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Yajima. Retrieved from https://idiyas.com/inventor/takahiro-yajima

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

USPTO Granted Patents = 36 

% Patents Active = 83.3


Average Co-Inventor Count = 3.5

ph-index = 10

Forward Citations = 259(Granted Patents)


Location History:

  • Soraki-gun, JP (2000)
  • Kyoto-fu, JP (2002)
  • Soraku-gun, JP (1998 - 2003)
  • Souraku-gun, JP (2003)
  • Kyoto, JP (1999 - 2006)
  • Kanagawa, JP (2019 - 2023)
  • Odawara, JP (2020 - 2023)

Company Filing History:

goldMedal35 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 446 
 
Ulvac, Inc.
 patents

Years Active: 1998-2025

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Areas of Expertise:
Photovoltaic Element
Quantum Dots
Thin Film Formation
Light Emitting Element
Photoelectric Conversion
Semiconductor Device
Imaging System
Vapor Deposition
Plasma CVD
Photodetection System
Mobile Unit
Deposited Film
36 patents (USPTO):Explore Patents
1. 12245446 - Semiconductor device having quantum dots, display device, imaging system, and moving body (2025-03-04),
2. 12232341 - Photoelectric conversion element, light-receiving element including the same, photoelectric conversion apparatus, mobile unit, method for manufacturing photoelectric conversion film, and method for manufacturing photoelectric conversion element (2025-02-18),
3. 12178111 - Vapor deposition mask and method of manufacturing device using vapor deposition mask (2024-12-24),
4. 11835562 - Detector and image forming apparatus (2023-12-05),
5. 11569277 - Semiconductor device (2023-01-31),
6. 11476306 - Semiconductor apparatus, photodetection system, light emitting system, and moving body (2022-10-18),
7. 11410979 - Light-emitting element, and method for producing a light-emitting element (2022-08-09),
8. 11374189 - Quantum dot, photoelectric conversion element including the same, light receiving element, photoelectric conversion apparatus, moving object, method for producing quantum dot, and method for producing photoelectric conversion element (2022-06-28),
9. 10692915 - Imaging device and method of manufacturing imaging device (2020-06-23),
10. 10276827 - Device structure and method of producing the same (2019-04-30),
11. 7074641 - Method of forming silicon-based thin film, silicon-based thin film, and photovoltaic element (2006-07-11),
12. 6855377 - Deposited film forming apparatus and deposited film forming method (2005-02-15),
13. 6846521 - Apparatus and method for forming deposited film (2005-01-25),
14. 6800539 - Thin film formation method (2004-10-05),
15. 6638359 - Deposited film forming apparatus and deposited film forming method (2003-10-28),

Title: Takahiro Yajima: Innovator in Photoelectric Conversion Technologies

Introduction: Takahiro Yajima, an accomplished inventor based in Kyoto, Japan, has made significant contributions to the field of photoelectric conversion. With 35 patents to his name, he has consistently pushed the boundaries of innovation in his area of expertise.

Latest Patents: Among his latest patents are groundbreaking inventions related to photoelectric conversion elements and apparatuses. Notable patents include a photoelectric conversion element consisting of multiple regions with varying inorganic ligand ratios, which enhances performance. Additionally, his work on vapor deposition masks demonstrates a thoughtful design approach, featuring a silicon substrate with uniquely structured regions, facilitating more efficient manufacturing processes.

Career Highlights: Takahiro Yajima has worked with prominent companies such as Canon and Ulvac, where he honed his skills and contributed to significant technological advancements. His experience within these organizations reflects his dedication to innovation and excellence.

Collaborations: Throughout his career, Yajima has collaborated with esteemed colleagues, including Masahiro Kanai and Shotaro Okabe. These collaborations have likely contributed to the successful development of his patented technologies, fostering a spirit of teamwork and shared innovation.

Conclusion: Takahiro Yajima stands out as an influential figure in the realm of photoelectric conversion technology. His extensive portfolio of patents and collaborations showcases his commitment to advancing this vital field, promising ongoing contributions to innovation and technology for the future.

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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