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For the Inventor, By the Inventor

Tokyo, Japan

Shizuo Sakamoto

This inventor holds 27 USPTO granted patents and 13 published patent applications and 2 EPO patents, primarily in Image Processing Technology. Top assignees: Nec Corporation, The University of Tokyo. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Sakamoto. Retrieved from https://idiyas.com/inventor/shizuo-sakamoto

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 = 92.6

 

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 392(Granted Patents)


Company Filing History:

goldMedal27 out of 36,676 
 
Nec Corporation
 patents
silverMedal2 out of 1,355 
 
The University of Tokyo
 patents
where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:
Image Display System
Three-Dimensional Measurement
Biological Data Registration
Face Authentication
Object Detection
Background Removal
Binary Data Transformation
Red-Eye Detection
27 patents (USPTO):Explore Patents
1. 12651454 - Image display system, terminal, method, and program for determining a difference between a first image and a second image (2026-06-09),
2. 12620220 - Image display system, terminal, method, and program for determining a difference between a first image and a second image (2026-05-05),
3. 12505666 - Image display system, terminal, method, and program for determining a difference between a first image and a second image (2025-12-23),
4. 12333797 - Image display system, terminal, method, and program for determining a difference between a first image and a second image (2025-06-17),
5. 12078474 - Three-dimensional shape measuring apparatus, three-dimensional shape measuring method, program, and storage medium (2024-09-03),
6. 12072177 - Three-dimensional shape measuring apparatus, three-dimensional shape measuring method, program, and storage medium (2024-08-27),
7. 12067099 - Biological data registration support device, biological data registration support system, biological data registration support method, biological data registration support program, recording medium for strong biological data registration support program (2024-08-20),
8. 12039773 - Image display system, terminal, method, and program for determining a difference between a first image and a second image (2024-07-16),
9. 12013229 - Three-dimensional shape measuring apparatus, three-dimensional shape measuring method, program, and storage medium (2024-06-18),
10. 11663308 - Biological data registration support device, biological data registration support system, biological data registration support method, biological data registration support program, recording medium for strong biological data registration support program (2023-05-30),
11. 11556583 - Information processing system, information processing method, and storage medium (2023-01-17),
12. 11232181 - Face authentication system, face authentication method, biometrics authentication system, biometrics authentication method, and storage medium (2022-01-25),
13. 11232180 - Face authentication system, face authentication method, biometrics authentication system, biometrics authentication method, and storage medium (2022-01-25),
14. 11030290 - Biological data registration support device, biological data registration support system, biological data registration support method, biological data registration support program, recording medium for strong biological data registration support program (2021-06-08),
15. 11030286 - Authentication apparatus, method, system and program, and server apparatus (2021-06-08),

Title: Innovations by Shizuo Sakamoto: Pioneering Three-Dimensional Shape Measurement

Introduction: Shizuo Sakamoto, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of three-dimensional shape measurement technology. With a remarkable portfolio of 23 patents, Sakamoto has developed advanced methods and devices that enhance precision in measuring complex shapes.

Latest Patents: Among his latest innovations is a groundbreaking patent for a three-dimensional shape measuring apparatus, along with its corresponding methods and programs. This apparatus features a single projector device capable of projecting two distinct light patterns with varying luminosity cycles. An image capture device is integrated to obtain images of a measured object under these light patterns. The sophisticated image processing device then calculates relative and absolute phase values of the measured object, ultimately deriving three-dimensional coordinates for precise measurements.

Career Highlights: Sakamoto has had an impressive career, working with reputable organizations such as NEC Corporation and The University of Tokyo. His time at these institutions has allowed him to refine his skills and innovate transformative technologies that address the needs of various industries.

Collaborations: Throughout his career, Sakamoto has collaborated with esteemed colleagues like Shinya Takashima and Shigeharu Sakayori, contributing to the development and improvement of technologies in their field. These collaborations have not only enriched his research but have also led to groundbreaking innovations that stand at the forefront of three-dimensional measurement techniques.

Conclusion: Shizuo Sakamoto’s work exemplifies the spirit of innovation in the field of three-dimensional shape measurement. With a focus on enhancing precision through sophisticated technology, Sakamoto continues to propel advancements that benefit various sectors. His contributions, marked by numerous patents, demonstrate the importance of creativity and collaboration in the pursuit of scientific progress.

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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