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For the Inventor, By the Inventor

Toyonaka, Japan

Mitsunori Hiratsuka

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1991-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsunori Hiratsuka. Retrieved from https://idiyas.com/inventor/mitsunori-hiratsuka

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

Calculating rank
USPTO Granted Patents = 11 

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 18(Granted Patents)


Location History:

  • Takarazuka, JP (1991 - 1992)
  • Toyonaka, JP (1992 - 1995)
  • Oita, JP (1995)

Company Filing History:

goldMedal11 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1991-1995

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11 patents (USPTO):Explore Patents
1. 5466663 - Tetrahydrophthalimide derivatives and their use as herbicides (1995-11-14),
2. 5455355 - Pyrimidine derivatives (1995-10-03),
3. 5424275 - Biphenyl derivatives and their use as herbicides (1995-06-13),
4. 5354729 - N-acyldihydroquinoline derivatives, a method for producing the same and (1994-10-11),
5. 5298632 - Herbicidal pyrimidine compounds, compositions containing the same and (1994-03-29),
6. 5232897 - Herbicidal pyrimidine compounds, compositions containing the same and (1993-08-03),
7. 5135563 - Pyrimidine derivative (1992-08-04),
8. 5129938 - Pyrimidine derivatives (1992-07-14),
9. 5125957 - Pyrimidine derivatives (1992-06-30),
10. 5101076 - .beta.-hydroxyketone and its production (1992-03-31),
11. 5041679 - Beta-hydroxyketone and its production (1991-08-20),

Title: Mitsunori Hiratsuka: Innovator in Herbicide Development

Introduction

Mitsunori Hiratsuka is a prominent inventor based in Toyonaka, Japan. He has made significant contributions to the field of herbicide development, holding a total of 11 patents. His work focuses on innovative chemical compounds that serve as effective herbicides.

Latest Patents

Hiratsuka's latest patents include the development of Tetrahydrophthalimide derivatives, which are disclosed as compounds useful in herbicide applications. These compounds feature a specific formula where various groups can be hydrogen, halogen, or alkyl, among others. Another notable patent involves Pyrimidine derivatives, which are designed to enhance herbicidal effectiveness through unique chemical structures.

Career Highlights

Mitsunori Hiratsuka is currently associated with Sumitomo Chemical Company, Limited, where he continues to advance his research and development efforts. His innovative approaches have positioned him as a key figure in the agricultural chemical industry.

Collaborations

Hiratsuka has collaborated with notable coworkers, including Naonori Hirata and Kazuo Saitoh. Their combined expertise has contributed to the successful development of various herbicide formulations.

Conclusion

Mitsunori Hiratsuka's contributions to herbicide innovation reflect his dedication to advancing agricultural science. His patents and collaborations underscore the importance of chemical research in creating effective solutions for modern agricultural challenges.

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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