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For the Inventor, By the Inventor

Tokyo, Japan

Tatsuya Saito

This inventor holds 67 USPTO granted patents and 3 published patent applications and 10 EPO patents, primarily in Semiconductor Technology (CPC class G06F). Top assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Olympus Optical Company, Ltd.. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Saito. Retrieved from https://idiyas.com/inventor/tatsuya-saito

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

USPTO Granted Patents = 67 

% Patents Active = 44.8

 

Average Co-Inventor Count = 2.5

ph-index = 15

Forward Citations = 800(Granted Patents)

Forward Citations (Not Self Cited) = 785(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Setagaya-ku, Tokyo, JP (1992)
  • Kokubunji, JP (1993)
  • Hachiouji, JP (2001)
  • Hachioji, JP (2001)
  • Ebina, JP (2007 - 2009)
  • Nagoya, JP (2010)
  • Chiyoda-ku, JP (2011)
  • Kunitachi, JP (2002 - 2016)
  • Kanagawa, JP (2004 - 2023)
  • Kawasaki, JP (2010 - 2023)
  • Tokyo, JP (1987 - 2024)

Company Filing History:

goldMedal23 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal21 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal4 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
4. 3 out of 8,300 
 
Olympus Corporation
 patents
5. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
6. 2 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
7. 2 out of 3,781 
 
Renesas Technology Corp.
 patents
8. 2 out of 1,445 
 
Stanley Electric Co., Ltd
 patents
9. 2 out of 141 
 
Tokyo University of Science Foundation
 patents
10. 1 out of 36,676 
 
Nec Corporation
 patents
11. 1 out of 2,467 
 
Nec Electronics Corporation
 patents
12. 1 out of 7,651 
 
Renesas Electronics Corporation
 patents
13. 1 out of 97 
 
Sharp Nec Display Solutions, Ltd.
 patents
14. 1 out of 1,355 
 
The University of Tokyo
 patents
15. 1 out of 12 
 
Toshiba Consumer Electronics Holdings Corporation
 patents
16. 1 out of 23 
 
Toshiba Consumer Marketing Corporation
 patents
17. 1 out of 21 
 
Toshiba Ha Products Co., Ltd.
 patents
18. 1 out of 13 
 
Toshiba Home Appliances Corporation
 patents
19. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2025

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Areas of Expertise:
Radiation Detector
Semiconductor Apparatus
Optical Device
Vapor Deposition Mask
Image Display Device
Memory Test Method
Information Processing System
Operations Management
Polymerizable Compound
Cooling Device
Three-Dimensional Radiation Position Detector
Transendoscopic Medical Instrument
67 patents (USPTO):Explore Patents
1. 12490946 - Radiation detector and radiation CT apparatus (2025-12-09),
2. 12178111 - Vapor deposition mask and method of manufacturing device using vapor deposition mask (2024-12-24),
3. 11932666 - Polymerizable compound, compound, and method for producing boranophosphate oligomer (2024-03-19),
4. 11835562 - Detector and image forming apparatus (2023-12-05),
5. 11769754 - Manufacturing method for semiconductor apparatus and semiconductor apparatus (2023-09-26),
6. 11542292 - Polymerizable compound, compound, and method for producing boranophosphate oligomer (2023-01-03),
7. 11487319 - Image display device and manufacturing method thereof enabling easy installation of optical sensor (2022-11-01),
8. 11437299 - Semiconductor apparatus and method of manufacturing the same (2022-09-06),
9. 10777293 - Semiconductor device, memory test method for semiconductor device, and test pattern generation program (2020-09-15),
10. 9507392 - Information processing system, and its power-saving control method and device (2016-11-29),
11. 9416022 - Method for preparing bismuth iodide article and method for manufacturing radiation detecting element (2016-08-16),
12. 9389664 - Operations management methods and devices thereof in systems (2016-07-12),
13. 9360566 - Radiation detector (2016-06-07),
14. 9189039 - Information processing system, operation management method of information processing system, and data center (2015-11-17),
15. 9134438 - Radiation detecting element using oxide crystal and method of manufacturing oxide crystal (2015-09-15),

Title: Tatsuya Saito: Innovator from Tokyo with 66 Patents

Introduction

Tatsuya Saito is a renowned inventor based in Tokyo, Japan, with an impressive portfolio comprising 66 patents. His innovative contributions span various technologies, showcasing his expertise and commitment to advancing the field of engineering and material sciences.

Latest Patents

Among his latest inventions is a notable vapor deposition mask and a method for manufacturing a device using this mask. This innovative vapor deposition mask comprises a silicon substrate that features a first region with a specific thickness, incorporating a multitude of through-holes. Surrounding this is a second region, thicker than the first, which forms a step between the two regions. Additionally, the mask's design includes unique characteristics such as a curved outer edge and a detailed inner wall featuring multiple steps in cross-section. Saito has also developed a polymerizable compound along with a method for producing boranophosphate oligomers, represented by specific formulas which detail various groups and structures for customization in applications.

Career Highlights

Saito has held significant positions in prestigious companies such as Hitachi, Ltd. and Canon Kabushiki Kaisha. His work in these organizations has not only contributed to his extensive patent portfolio but has also solidified his reputation as a key innovator in technology.

Collaborations

Throughout his career, Tatsuya Saito has collaborated with esteemed colleagues, including Toru Den and Takeshi Kato. These collaborations have played a vital role in enhancing his research and bringing his inventive concepts to fruition.

Conclusion

In conclusion, Tatsuya Saito stands out as an influential figure in the realm of innovation. With 66 patents to his name, his latest projects reflect a blend of creativity and technical skill that continues to push boundaries within the field. His contributions serve as a testament to the impact of dedicated inventors in shaping the future of technology.

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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