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For the Inventor, By the Inventor

Takatsuki, Japan

Hiroshi Souda

This inventor holds 12 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2001-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Souda. Retrieved from https://idiyas.com/inventor/hiroshi-souda

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

USPTO Granted Patents = 12 

% Patents Active = 16.7

 

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Ibaraki, JP (2001)
  • Takatsuki, JP (2002 - 2005)
  • Toyonaka, JP (2004 - 2010)
  • Oita, JP (2010 - 2014)

Company Filing History:

goldMedal12 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 2001-2014

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12 patents (USPTO):Explore Patents
1. 8779222 - Method for producing 1,1,3-trichloro-1-propene (2014-07-15),
2. 8263779 - Method for separating and purifying α-unsaturated amine compound (2012-09-11),
3. 7741511 - Process for the preparation of carboxylic acid esters (2010-06-22),
4. 7652170 - Method for producing primary amine compound (2010-01-26),
5. 7399873 - Process for the preparation of carboxylic acid esters (2008-07-15),
6. 6909013 - Process for producing cyclopropanecarboxylates (2005-06-21),
7. 6750370 - Process for racemizing optically active vinyl-substituted cyclopropanecarboxylic acid compound (2004-06-15),
8. 6706910 - Method for producing cyclopropanecarboxylates (2004-03-16),
9. 6624324 - Process for producing optically active hemiesters (2003-09-23),
10. 6566532 - Process for producing optically active hemiesters (2003-05-20),
11. 6441220 - Methods for producing cyclopropane carboxylates (2002-08-27),
12. 6197990 - Process for the preparation of cyclopentadienyl metal salt and process for the preparation of derivative of cyclopentadiene using the same (2001-03-06),

Title: Hiroshi Souda: Innovator in Chemical Production

Introduction

Hiroshi Souda is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of chemical production, holding a total of 12 patents. His work focuses on innovative methods that enhance the efficiency and effectiveness of chemical processes.

Latest Patents

Among his latest patents, one notable invention is the "Method for producing 1,1,3-trichloro-1-propene." This production method involves specific steps A and B to create this important chemical compound. Another significant patent is the "Method for separating and purifying α-unsaturated amine compound." This method outlines a process for purifying an α-unsaturated amine compound, which includes extracting the compound from a crude product using water and then utilizing a pyridine solvent for further purification.

Career Highlights

Hiroshi Souda is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate and develop new chemical processes. His expertise in the field has led to advancements that benefit both the company and the broader chemical industry.

Collaborations

Throughout his career, Hiroshi has collaborated with notable coworkers such as Kazunori Iwakura and Yoshiaki Oda. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hiroshi Souda's contributions to chemical production through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in chemical processes, showcasing the importance of innovation in this field.

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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