logo

For the Inventor, By the Inventor

Hachioji, Japan

Itsumaro Kumadaki

This inventor holds 8 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1982-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Itsumaro Kumadaki. Retrieved from https://idiyas.com/inventor/itsumaro-kumadaki

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Hachioji, JP (1984)
  • Hachiohji, JP (1982 - 1986)

Company Filing History:

goldMedal8 out of 776 
 
Kureha Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1982-1986

Loading Chart...
8 patents (USPTO):Explore Patents
1. 4567293 - 2-[Para-(2-substituted or (1986-01-28),
2. 4476328 - Process for producing 3,3,3-trifluoropropyl substituted phenol (1984-10-09),
3. 4451674 - Substituted benzene derivatives having at least one benzene ring (1984-05-29),
4. 4423259 - Process for producing phenyl-[3,3,3-trifluoropropyl)phenyl]methane (1983-12-27),
5. 4405824 - Process for producing aryl- or aralkylbenzene having two benzene rings (1983-09-20),
6. 4396785 - 3,3,3-Trifluoropropyl derivatives of naphthalene or methylnaphthalene (1983-08-02),
7. 4356335 - Aryl- or aralkylbenzene having two benzene rings at least one of which (1982-10-26),
8. 4324929 - Process for producing mono, bis or tris(3,3,3-trifluoropropyl)benzene (1982-04-13),

Title: Itsumaro Kumadaki: Innovator in Pharmaceutical Chemistry

Introduction

Itsumaro Kumadaki is a prominent inventor based in Hachiohji, Japan. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 8 patents. His work focuses on novel compounds with specific pharmacological activities, showcasing his expertise and innovation in this critical area.

Latest Patents

Kumadaki's latest patents include a groundbreaking compound, 2-[para-(2-substituted or unsubstituted-3,3,3-trifluoropropyl)phenyl]propionic acid, which has demonstrated specific pharmacological activity. Additionally, he has developed a process for producing a trifluoropropyl derivative of mono-substituted benzene, represented by a general formula that includes various substituents. These innovations highlight his commitment to advancing pharmaceutical science.

Career Highlights

Kumadaki is currently employed at Kureha Kagaku Kogyo Kabushiki Kaisha, where he continues to push the boundaries of research and development in his field. His work has not only contributed to the company's success but has also had a broader impact on the pharmaceutical industry.

Collaborations

Throughout his career, Kumadaki has collaborated with notable colleagues, including Yoshiro Kobayashi and Takashi Yamauchi. These partnerships have fostered a collaborative environment that enhances innovation and drives research forward.

Conclusion

Itsumaro Kumadaki is a distinguished inventor whose work in pharmaceutical chemistry has led to significant advancements. His innovative patents and collaborations reflect his dedication to improving health outcomes through scientific research.

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…