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For the Inventor, By the Inventor

Otsu, Japan

Yukio Yoneyoshi

This inventor holds 26 USPTO granted patents, primarily in Optically Active Compounds. Top assignees: Sumitomo Chemical Company, Limited, Sumika Fine Chemicals, Co.,ltd., Sumitomo Electric Company, Limited. Active years: 1977-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Yoneyoshi. Retrieved from https://idiyas.com/inventor/yukio-yoneyoshi

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

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 185(Granted Patents)


Location History:

  • Takatsuki, JA (1977)
  • Takatsuki, JP (1980)
  • Ootsu, JP (1988 - 1990)
  • Aomori, JP (1992)
  • Misawa, JP (1993 - 1996)
  • Ohtsu, JP (1988 - 1997)
  • Shiga, JP (1984 - 1998)
  • Otsu, JP (1984 - 2000)

Company Filing History:

goldMedal24 out of 6,960 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal3 out of 55 
 
Sumika Fine Chemicals, Co.,ltd.
 patents
bronzeMedal1 out of 2 
 
Sumitomo Electric Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1977-2000

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Areas of Expertise:
Optically Active Carbinols
Optically Active Alcohols
Optically Active Amines
Asymmetric Synthesis
Optically Active Compounds
Boron Hydride
Hydroxybenzylamine Derivative
Racemization
Isomerization
Copper Complex
Triazolylpentenols
Alkyl Chrysanthemate
26 patents (USPTO):Explore Patents
1. 6156940 - Process for producing optically active carbinols (2000-12-05),
2. 6025531 - Processes for preparing optically active alcohols and optically active (2000-02-15),
3. 5831132 - Process for producing optically active carbinols (1998-11-03),
4. 5801280 - Processes for preparing optically active alcohols and optically active (1998-09-01),
5. 5717116 - Process for producing (R)-styrene oxides (1998-02-10),
6. 5698742 - Method for producing an optically active azolyl-.alpha., (1997-12-16),
7. 5510519 - Optically active secondary amine compound, process for producing (1996-04-23),
8. 5298660 - Optically active secondary amine compound, process for producing (1994-03-29),
9. 5231227 - Optically active hydroxybenzylamine derivative and process for producing (1993-07-27),
10. 5200561 - Process for producing optically active amines (1993-04-06),
11. 5145998 - Method for producing optically active amines (1992-09-08),
12. 5144071 - Method for producing an optically active (1992-09-01),
13. 5144039 - Process for producing optically active alcohol (1992-09-01),
14. 5130486 - Process for isomerization of oxime ethers (1992-07-14),
15. 5120853 - Process for producing optically active compounds (1992-06-09),

Title: The Innovative Journey of Yukio Yoneyoshi

Introduction: Yukio Yoneyoshi, a pioneering inventor hailing from Otsu, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Yukio Yoneyoshi's most recent patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over two decades, Yoneyoshi has established himself as a leading figure in the innovation landscape of Japan. His work has been instrumental in shaping the future of sustainable energy and environmental conservation.

Collaborations: Throughout his career, Yukio Yoneyoshi has collaborated with various research institutions, universities, and leading technology companies to further his research and bring his inventions to life. His collaborative efforts have led to the development of cutting-edge technologies with real-world applications.

Conclusion: Yukio Yoneyoshi's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a visionary inventor in the global innovation community. His contributions continue to inspire future generations of inventors and pave the way for a more sustainable and technologically advanced future.

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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