Kyoto, Japan

Sakayu Shimizu

This inventor holds 73 USPTO granted patents and 1 published patent application, plus 4 CIPO patents and 13 EPO patents, primarily in Fatty Acid Production (CPC class 4351). Top assignees: Suntory Limited, Suntory Holdings Limited, Ajinomoto Co., Ltd.. Active years: 1980-2021.

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

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

USPTO Granted Patents = 73 

% Patents Active = 67.1

 

 

Average Co-Inventor Count = 3.5

ph-index = 14

Forward Citations = 445(Granted Patents)

Forward Citations (Not Self Cited) = 409(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyoto-shi, Kyoto JP (1997)
  • Kyoto-fu, JP (2007)
  • Ukyo-ku, JP (2020)
  • Kyoto, JP (1980 - 2021)

Company Filing History:

goldMedal22 out of 439 
 
Suntory Limited
 patents
silverMedal9 out of 362 
 
Suntory Holdings Limited
 patents
bronzeMedal4 out of 1,953 
 
Ajinomoto Co., Ltd.
 patents
4. 4 out of 1,772 
 
Kaneka Corporation
 patents
5. 4 out of 870 
 
Kyoto University
 patents
6. 4 out of 598 
 
Nippon Zeon Company, Ltd.
 patents
7. 4 out of 173 
 
Roche Vitamins Inc.
 patents
8. 3 out of 48 
 
Amano Pharmaceutical Co., Ltd.
 patents
9. 3 out of 8 
 
Daiichi Fine Chemical Co., Ltd.
 patents
10. 3 out of 23 
 
Fuji Yakuhin Kogyo Kabushiki Kaisha
 patents
11. 3 out of 3,977 
 
Novartis Ag
 patents
12. 3 out of 28 
 
Yuki Gosei Kogyo Co., Ltd.
 patents
13. 2 out of 1,776 
 
Dsm IP Assets B.v.
 patents
14. 2 out of 109 
 
Kanegafuchi Chemical Industry Co., Ltd.
 patents
15. 2 out of 161 
 
Nitto Chemical Industry Co., Ltd.
 patents
16. 2 out of 15 
 
Nitto Pharmaceutical Industries, Ltd.
 patents
17. 2 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
18. 1 out of 165 
 
Lonza Ag
 patents
19. 1 out of 42 
 
Nagase Chemtex Corporation
 patents
20. 1 out of 68 
 
Nagase Co., Ltd.
 patents
21. 1 out of 123 
 
Nippon Suisan Kaisha, Ltd.
 patents
22. 1 out of 19 
 
Nisshin Pharma Inc.
 patents
23. 1 out of 10 
 
Noster Inc.
 patents
24. 2 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2021

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Areas of Expertise:
Oxo Fatty Acid
Eicosapentaenoic Acid
Lipid Particles
Unsaturated Oils
Microorganisms
4-Hydroxy-L-Isoleucine
Arachidonic Acid
Docosahexaenoic Acid
Prenyl Alcohol
Carbonyl Reductase
Enone Reductase
Dihomo-Gamma-Linolenic Acid
73 patents (USPTO):Explore Patents

Title: Sakayu Shimizu: Revolutionizing Production Methods for Fatty Acids

Introduction:

Sakayu Shimizu, a renowned inventor based in Kyoto, Japan, has made significant contributions to the field of fatty acid production. With an impressive portfolio of 70 patents, Shimizu has been at the forefront of developing novel methods for producing oxo fatty acids and rare fatty acids, including conjugated fatty acids, hydroxylated fatty acids, and partially saturated fatty acids. Through his innovative approach, Shimizu has revolutionized the way these compounds are synthesized, opening up new possibilities for various industries.

Latest Patents:

Shimizu's latest patents highlight his expertise in developing highly efficient production methods for oxo fatty acids and rare fatty acids. His method involves the use of four specific enzymes, namely fatty acid-hydratase, hydroxylated fatty acid-dehydrogenase, oxo fatty acid-isomerase, and oxo fatty acid-enone reductase. These enzymes, derived from lactic acid bacteria and similar sources, play a crucial role in synthesizing oxo fatty acids and other rare fatty acids. Additionally, Shimizu's method employs a combination of enzymatic reactions and chemical oxidation, resulting in a more efficient overall process.

Career Highlights:

Throughout his career, Shimizu has worked with notable companies in the industry, including Suntory Limited and Suntory Holdings Limited. His association with these companies showcases his expertise and the recognition he has gathered within the field of fatty acid production. Shimizu's work has not only enhanced the production methods employed by these companies but also contributed to their overall success in the market.

Collaborations:

Shimizu has collaborated with esteemed colleagues in his pursuit of advancing fatty acid production techniques. Notably, his collaborations with Hideaki Yamada and Kengo Akimoto have led to significant breakthroughs in understanding the complexities of enzymatic reactions and optimizing the synthesis of oxo fatty acids and rare fatty acids. These collaborative efforts demonstrate Shimizu's commitment to fostering knowledge exchange and pushing the boundaries of innovation.

Conclusion:

Sakayu Shimizu's pioneering work in the production of oxo fatty acids and rare fatty acids has propelled the field forward, presenting novel and efficient methodologies. With an extensive patent portfolio and collaborations with industry experts, Shimizu's contributions have had a lasting impact on the industry. As his innovative techniques continue to be adopted, we can anticipate further advancements in the synthesis of fatty acids, opening up new avenues for research, development, and potential applications across various sectors.

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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