Tokyo, Japan

Atsushi Shimizu

This inventor holds 127 USPTO granted patents and 7 published patent applications, plus 11 CIPO patents and 34 EPO patents, primarily in Image Processing (CPC class H04N19-176). Top assignees: Nippon Telegraph and Telephone Corporation, Hitachi, Ltd., Clarion Co. Active years: 1982-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Shimizu. Retrieved from https://idiyas.com/inventor/atsushi-shimizu

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

USPTO Granted Patents = 127 

% Patents Active = 82.7


 

Average Co-Inventor Count = 3.2

ph-index = 17

Forward Citations = 1,040(Granted Patents)

Forward Citations (Not Self Cited) = 1,023(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ome, JP (1994)
  • Kanagawa-ken, JP (1999)
  • Ohme, JP (1991 - 2000)
  • Nobeoka, JP (1984 - 2002)
  • Fuchu, JP (2004)
  • Kyoto-fu, JP (2006)
  • Moko, JP (2006 - 2007)
  • Sagamihara, JP (2009 - 2011)
  • Chuo-ku, JP (2012)
  • Yokohama, JP (1989 - 2016)
  • Kawasaki, JP (2006 - 2016)
  • Kyoto, JP (2006 - 2019)
  • Nagaokakyo, JP (2020)
  • Tokyo, JP (1982 - 2022)
  • Yokosuka, JP (2012 - 2023)
  • Musashino, JP (2022 - 2024)

Company Filing History:

goldMedal59 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal14 out of 42,726 
 
Hitachi, Ltd.
 patents
bronzeMedal13 out of 1,057 
 
Clarion Co
 patents
4. 8 out of 4,213 
 
Omron Corporation
 patents
5. 5 out of 510 
 
Asahi Kasei Chemicals Corporation
 patents
6. 5 out of 1,297 
 
Asahi Kasei Kogyo Kabushiki Kaisha
 patents
7. 4 out of 194 
 
Terumo Corporation
 patents
8. 3 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
9. 3 out of 36,676 
 
Nec Corporation
 patents
10. 3 out of 2,421 
 
Terumo Kabushiki Kaisha
 patents
11. 2 out of 994 
 
Asahi Kasei Kabushiki Kaisha
 patents
12. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
13. 1 out of 1 
 
Challenergy Inc.
 patent
14. 1 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
15. 1 out of 61 
 
Hitachi Computer Engineering Co., Ltd.
 patents
16. 1 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents
17. 1 out of 150 
 
Murata Manufacturingco., Ltd.
 patents
18. 1 out of 164 
 
Ntt Electronics Corporation
 patents
19. 1 out of 1,075 
 
Spansion LLC.
 patents
20. 1 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1982-2025

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Areas of Expertise:
Image Processing Apparatus
Encoding Method
Statistical Data Processing
Image Evaluation Device
Quantization Apparatus
Learning Data Generation
Prediction Apparatus
Difference Detection
Location Determination
Video Encoding
Control Method
Virtual Machine Control
127 patents (USPTO):Explore Patents

Title: Atsushi Shimizu: Pioneering Innovation with 118 Patents

Introduction:

Atsushi Shimizu, hailing from Tokyo, Japan, is a renowned inventor and patent holder, with an impressive portfolio comprising 118 patents. His groundbreaking contributions span across multiple domains and have earned him a well-deserved reputation as a leading innovator in the field. Shimizu's recent patents showcase his expertise in statistical data processing and image evaluation, displaying his commitment to pushing the boundaries of technology.

Latest Patents:

One of Shimizu's recent patents is the "Statistical Data Processing Apparatus, Statistical Data Processing Method, and Computer Program," which involves a statistical data processing device. This device generates statistical images, utilizing pixel values to represent statistical values. Additionally, Shimizu's invention incorporates a mask image that extracts statistical values from relevant images, allowing for the generation of a comprehensive statistical output.

Another notable patent is the "Image Evaluation Device, Image Evaluation Method, and Image Evaluation Program." This invention focuses on image evaluation, specifically addressing the presence or absence of differences between object images and reference images. Shimizu's innovation includes the acquisition of evaluation indices based on these differences, providing a comprehensive evaluation of the images at hand.

Career Highlights:

Shimizu has contributed his talents to esteemed companies such as Nippon Telegraph and Telephone Corporation, commonly referred to as NTT, and Hitachi Co., Ltd. Throughout his career, Shimizu has consistently demonstrated a deep understanding of technological advancements, combining research expertise with practical application.

Collaborations:

During his professional journey, Shimizu has had the privilege of collaborating with accomplished individuals in the industry. Two notable co-workers include Masaki Kitahara and Naoki Ono. This collaborative spirit has fostered a rich environment for innovation, allowing Shimizu to further his pioneering work in technology.

Conclusion:

Atsushi Shimizu's repertoire of 118 patents is a testament to his unwavering commitment to innovation. Through his advancements in statistical data processing and image evaluation, Shimizu has made a significant impact on the field. With a career marked by collaborations with renowned companies like NTT and Hitachi, Shimizu continues to shape the future of technology. His contributions to the world of patents and inventions are an inspiration to aspiring inventors, positioning him as a true visionary in the world of innovation.

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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