Akiyuki Tanizawa

This inventor holds 110 USPTO granted patents and 42 published patent applications, plus 17 CIPO patents and 20 EPO patents, primarily in Medical Image Processing (CPC class H04N19-176). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation, National Institutes for Quantum Science and Technology. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyuki Tanizawa. Retrieved from https://idiyas.com/inventor/akiyuki-tanizawa

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

USPTO Granted Patents = 110 (Patent Applications = 42)

% Patents Active = 93.6

CIPO Patents = 17 (Patent Applications = 2)

EPO Patents = 20 (Patent Applications = 46)

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 273(Granted Patents)

Forward Citations (Not Self Cited) = 154(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Minato-ku, JP (2011)
Tokyo, JP (2009 - 2012)
Kawasaki, JP (2010 - 2024)
Kanagawa, JP (2010 - 2024)
Kawasaki Kanagawa, JP (2024)

Company Filing History:

104 out of 53,276

Kabushiki Kaisha Toshiba

patents

6 out of 336

Toshiba Energy Systems & Solutions Corporation

patents

3 out of 35

National Institutes for Quantum Science and Technology

patents

where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:

Medical Image Processing

Video Encoding

Image Decoding

Inference Apparatus

Defect Inspection

Learning Apparatus

Encoding Method

Radiation Therapy

Image Encoding

Treatment System

Load Estimation

Transfer Device

110 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12764327 - Image encoding method and image decoding method (2026-10-13),

2. 12632722 - Displaying iterative learning process and sample error to efficiently eliminate noisy sample data (2026-05-19),

3. 12614093 - Inference apparatus, learning apparatus, inference method, and learning method (2026-04-28),

4. 12605566 - Medical image processing device, medical image processing method, medical image processing program, and radiation therapy device (2026-04-21),

5. 12593062 - Image encoding and decoding method with merge flag and motion vectors (2026-03-31),

6. 12587671 - Video encoding apparatus and a video decoding apparatus (2026-03-24),

7. 12506872 - Encoding method that encodes a first denominator for a luma weighting factor, transfer device, and decoding method (2025-12-23),

8. 12502556 - Medical image processing device, treatment system, medical image processing method, and storage medium (2025-12-23),

9. 12425639 - Image encoding method and image decoding method (2025-09-23),

10. 12364877 - Medical image processing device, storage medium, medical device, and treatment system (2025-07-22),

11. 12277763 - Load estimation apparatus and method (2025-04-14),

12. 12225227 - Image encoding method and image decoding method (2025-02-11),

13. 12206865 - Encoding device, decoding device, encoding method, and decoding method (2025-01-21),

14. 12175365 - Learning apparatus, method, and non-transitory computer readable medium (2024-12-24),

15. 12165321 - Medical image processing device, storage medium, medical device, and treatment system (2024-12-10),

Title: Innovator Akiyuki Tanizawa: Pioneering Image Encoding Technologies

Introduction

Akiyuki Tanizawa, a prominent inventor based in Kawasaki, Japan, has made significant contributions to the field of image encoding and decoding. With an impressive portfolio of 99 patents, Tanizawa is recognized for his innovative approaches to processing and enhancing visual data.

Latest Patents

Tanizawa's latest patents focus on advanced methodologies in image encoding and decoding. One notable embodiment outlines an image encoding method that involves selecting a motion reference block from an encoded pixel block, incorporating inter prediction. This method also details how to choose available blocks, generate predicted images based on these selections, and efficiently encode prediction errors. Furthermore, his patents include an encoding device proficient in generating common indices that optimize the encoding process by preventing the repetition of reference images, ensuring a more streamlined approach to image data processing.

Career Highlights

Throughout his career, Akiyuki Tanizawa has been associated with renowned companies, including Toshiba Corporation and Toshiba Energy Systems & Solutions Corporation. His work at these institutions has placed him at the forefront of technological advancements in encoding and decoding methodologies.

Collaborations

Tanizawa has worked alongside notable colleagues such as Takeshi Chujoh and Taichiro Shiodera. Their collaborative efforts can be seen in the innovations developed during their tenure at Toshiba, contributing to the broader field of image processing technologies.

Conclusion

Akiyuki Tanizawa continues to be a leading figure in the realm of image encoding and decoding. With his extensive patent portfolio and collaborative spirit, he plays a pivotal role in driving forward innovative solutions that enhance the way we handle visual data. His contributions are vital in advancing the technological landscape, marking him as a key inventor for future generations to look up to.

Profile summary based on public USPTO records.