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For the Inventor, By the Inventor

Tsukuba, Japan

Hisao Kondo

This inventor holds 12 USPTO granted patents. Top assignees: Banyu Pharmaceutical Co. Ltd, Harima Chemicals, Incorporated, Sagami Chemical Research Center. Active years: 1993-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Kondo. Retrieved from https://idiyas.com/inventor/hisao-kondo

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 83.3

Average Co-Inventor Count = 4.9

ph-index = 6

Forward Citations = 90(Granted Patents)


Company Filing History:

goldMedal11 out of 237 
 
Banyu Pharmaceutical Co. Ltd
 patents
silverMedal1 out of 83 
 
Harima Chemicals, Incorporated
 patents
bronzeMedal1 out of 191 
 
Sagami Chemical Research Center
 patents
where one patent can have more than one assignee

Years Active: 1993-2004

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12 patents (USPTO):Explore Patents
1. 6703373 - Indolopyrrolocarbazole derivatives and antitumor agents (2004-03-09),
2. 6303797 - Sesterterpene derivatives exhibiting antifungal activities (2001-10-16),
3. RE37206 - Gene encoding glycosyltransferase and its uses (2001-06-05),
4. 5922860 - Antitumor indolopyrrolocarbazole derivatives (1999-07-13),
5. 5861293 - Gene encoding glycosyltransferase and its uses (1999-01-19),
6. 5804564 - Antitumor indolopyrrolocarbazole derivatives (1998-09-08),
7. 5668271 - Indolopyrrolocarbazole derivatives (1997-09-16),
8. 5643760 - Microbial process for preparation of indolopyrrolocarbazole derivatives (1997-07-01),
9. 5591842 - Indolopyrrolocarbazole derivatives (1997-01-07),
10. 5589365 - Process for producing glycosylated indolopyrrolocarbazole derivatives by (1996-12-31),
11. 5437996 - Microtetraspora strain for preparation of indolopyrrolocarbazole (1995-08-01),
12. 5189189 - Method of purifying polyunsaturated aliphatic compounds (1993-02-23),

Title: Hisao Kondo: Innovator in Antitumor and Antifungal Research

Introduction

Hisao Kondo is a prominent inventor based in Tsukuba, Japan, known for his significant contributions to the fields of antitumor and antifungal research. With a total of 12 patents to his name, Kondo has made remarkable advancements in medicinal chemistry.

Latest Patents

His latest patents include innovative compounds such as indolopyrrolocarbazole derivatives and antitumor agents, as well as sesterterpene derivatives exhibiting antifungal activities. These inventions represent a significant step forward in the development of effective treatments for various diseases.

Career Highlights

Throughout his career, Kondo has worked with notable companies, including Banyu Pharmaceutical Co. Ltd and Harima Chemicals, Incorporated. His work in these organizations has allowed him to focus on groundbreaking research and development in pharmaceuticals.

Collaborations

Kondo has collaborated with esteemed colleagues, including Katsuhisa Kojiri and Hiroyuki Suda, to further enhance his research efforts and drive innovation in his field.

Conclusion

Hisao Kondo's contributions to medicinal chemistry and his extensive patent portfolio highlight his role as a leading inventor in the industry. His work continues to influence the development of new therapeutic agents.

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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