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For the Inventor, By the Inventor

Toyonaka, Japan

Tadashi Ooishi

This inventor holds 17 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1977-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Ooishi. Retrieved from https://idiyas.com/inventor/tadashi-ooishi

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Takarazuka, JA (1977)
  • Minoo, JA (1977)
  • Minoo, JP (1978)
  • Sonehigashi, JP (1982)
  • Osaka, JP (1985)
  • Saitama, JP (1989)
  • Urawa, JP (1990)
  • Toyonaka, JP (1985 - 1991)

Company Filing History:

goldMedal17 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1977-1991

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17 patents (USPTO):Explore Patents
1. 5075488 - Soil disease-controlling cyano and ester derivatives of cyclopentenyl (1991-12-24),
2. 4946867 - Cyanoacetamide derivative, and plant disease protectant comprising the (1990-08-07),
3. 4843090 - Soil fungicidal benzimidazoles (1989-06-27),
4. 4837242 - Thiazoles and pyrazoles as fungicides (1989-06-06),
5. 4709052 - Soil disease-controlling imides (1987-11-24),
6. 4684634 - Agricultural and horticultural fungicidal composition (1987-08-04),
7. 4612307 - Controlling agent for wood rotting fungi (1986-09-16),
8. 4536498 - Fungicidal composition (1985-08-20),
9. 4507284 - Soil disinfectant (1985-03-26),
10. 4366150 - Soil disinfectants and method of use (1982-12-28),
11. 4361437 - 3-Thiooxo-5-oxo-hexahydro-1,2,4-triazine and its production and use (1982-11-30),
12. 4113864 - Phosphorothiolate pesticidal composition (1978-09-12),
13. 4054668 - N-substituted amino acid derivatives (1977-10-18),
14. 4039635 - Soil fungicidal phosphorothioate (1977-08-02),
15. 4028438 - Phosphorothiolates (1977-06-07),

Title: The Innovative Contributions of Inventor Tadashi Ooishi

Introduction: Tadashi Ooishi, an esteemed inventor based in Toyonaka, Japan, has made significant strides in the field of agricultural chemistry. With a remarkable portfolio of 17 patents, his inventions are safeguarding crops from various diseases, enhancing food security and agricultural productivity.

Latest Patents: Among his latest patents, two notable inventions stand out. The first is a soil disease-controlling agent composed of cyano and ester derivatives of cyclopentenyl. This innovative solution is designed to prevent and control diseases caused by pathogenic fungi in the soil, employing a blend of 2-cycloalkenylamine derivatives and their salts as key active ingredients. The second patent involves a cyanoacetamide derivative that promises to combat plant diseases effectively, particularly targeting rice blast caused by the fungus Pyricularia oryzae. This derivative includes a structure where R represents a diverse range of alkyl, alkenyl, alkynyl, or cycloalkyl groups, with an active component comprising chlorine or bromide atoms or trifluoromethyl/fluoroalkoxy groups.

Career Highlights: Tadashi Ooishi's career is marked by his role at Sumitomo Chemical Company, Limited, a leading firm in chemical innovation. His dedication and expertise have paved the way for breakthrough solutions that address critical agricultural challenges.

Collaborations: Throughout his career, Tadashi has collaborated with esteemed colleagues, including Toshiaki Ozaki and Toshiro Kato. Their joint efforts have further propelled advancements in agricultural sciences, fostering a collaborative environment that nurtures innovative thinking.

Conclusion: Tadashi Ooishi's contributions to agricultural innovation through his patents position him as a pivotal figure in the field. His work not only enhances the efficacy of crop protection methods but also underscores the vital role of inventors in addressing global agricultural challenges. As he continues to develop new solutions, the impact of his inventions will undoubtedly resonate throughout the agricultural sector.

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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