logo

For the Inventor, By the Inventor

Ashiya, Japan

Toshio Nishioka

This inventor holds 16 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Nishioka. Retrieved from https://idiyas.com/inventor/toshio-nishioka

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 111(Granted Patents)


Location History:

  • Takarazuka, JA (1976 - 1978)
  • Takarazuka, JP (1982)
  • Toyonaka, JP (1994 - 1996)
  • Ashiya, JP (1982 - 1997)

Company Filing History:

goldMedal16 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1976-1997

Loading Chart...
16 patents (USPTO):Explore Patents
1. 5698742 - Method for producing an optically active azolyl-.alpha., (1997-12-16),
2. 5510519 - Optically active secondary amine compound, process for producing (1996-04-23),
3. 5298660 - Optically active secondary amine compound, process for producing (1994-03-29),
4. 5144071 - Method for producing an optically active (1992-09-01),
5. 5041651 - Asymmetrically modified boron hydride type compound and a method for (1991-08-20),
6. 4923999 - Optically active borane complex and a method for producing an optically (1990-05-08),
7. 4908455 - Method for producing an optically active azolyl-.alpha. (1990-03-13),
8. 4760149 - Asymmetrically modified boron hydride type compound, a production method (1988-07-26),
9. 4749809 - Optically active borane complex and a method for producing an optically (1988-06-07),
10. 4343953 - Method for preparing 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone (1982-08-10),
11. 4309439 - Substituted-acetic acid ester (1982-01-05),
12. 4091111 - Substituted-acetic acid ester (1978-05-23),
13. 4053625 - Insecticides (1977-10-11),
14. 3981903 - Cyclopropane carboxylic acid esters (1976-09-21),
15. 3973036 - Cyclopropanecarboxylic acid esters (1976-08-03),

Title: The Innovations of Toshio Nishioka

Introduction

Toshio Nishioka is a prominent inventor based in Ashiya, Japan. He has made significant contributions to the field of chemistry, particularly in the development of optically active compounds. With a total of 16 patents to his name, Nishioka's work has had a substantial impact on various applications, including fungicides and plant growth regulators.

Latest Patents

Nishioka's latest patents include a method for producing an optically active azolyl-α. This invention relates to a method for producing optically active alcohol derivatives, which are useful as fungicides, herbicides, or plant growth regulators. The process involves the asymmetric reduction of a ketone compound using a boron hydride-reducing agent modified with an optically active amino alcohol. Additionally, he has developed optically active secondary amine compounds and processes for their preparation, which exhibit high resolution power and are useful agents for optical resolution.

Career Highlights

Toshio Nishioka is associated with Sumitomo Chemical Company, Limited, where he has been able to apply his innovative ideas in a corporate setting. His work has not only advanced scientific knowledge but has also contributed to practical applications in agriculture and pharmaceuticals.

Collaborations

Nishioka has collaborated with notable coworkers such as Yukio Yoneyoshi and Gohfu Suzukamo. These partnerships have likely enhanced the scope and impact of his research and inventions.

Conclusion

Toshio Nishioka's contributions to the field of chemistry through his patents and innovative methods demonstrate his significant role as an inventor. His work continues to influence various industries, showcasing the importance of innovation in scientific advancement.

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]
Loading…