logo

For the Inventor, By the Inventor

Yokohama, Japan

Mitsuaki Tsunakawa

This inventor holds 14 USPTO granted patents. Top assignees: Bristol-Myers Squibb Compnay, Bristol-Myers Company, Other. Active years: 1985-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuaki Tsunakawa. Retrieved from https://idiyas.com/inventor/mitsuaki-tsunakawa

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Koyama, Shinagawa, JP (1991)
  • Tokyo, JP (1985 - 1992)
  • Yokohama, JP (1992 - 1994)
  • Kamiooka, JP (1995)
  • Kanagawa, JP (1993 - 1999)

Company Filing History:

goldMedal7 out of 3,742 
 
Bristol-Myers Squibb Compnay
 patents
silverMedal6 out of 637 
 
Bristol-Myers Company
 patents
bronzeMedal1 out of 834,513 
Other
 patents

Years Active: 1985-1999

Loading Chart...
14 patents (USPTO):Explore Patents
1. 5919671 - Antitumor antibiotic BMS-199687 (1999-07-06),
2. 5811440 - Antitumor antibiotic BMS-199687 (1998-09-22),
3. 5466450 - Antiviral antibiotic BU-4224V (1995-11-14),
4. 5286649 - Antiviral antibiotic BU-3889V (1994-02-15),
5. 5256646 - Antiviral antibiotic BU-4224V (1993-10-26),
6. 5124150 - Process for preparing antiviral antibiotic BU-3889V (1992-06-23),
7. 5110960 - Antifungal antibiotics (1992-05-05),
8. 5098708 - Antiviral antibiotic BU-3889V (1992-03-24),
9. 4990497 - Antifungal antibiotics (1991-02-05),
10. 4935362 - BMY-28121, a new antitumor antibiotic (1990-06-19),
11. 4870165 - Antifungal antibiotics (1989-09-26),
12. 4792545 - Boholmycin antibiotic (1988-12-20),
13. 4683230 - BMY-28121, a new antitumor antibiotic (1987-07-28),
14. 4504580 - Antibiotics produced by fermentation of a novel strain of Streptomyces (1985-03-12),

Title: Mitsuaki Tsunakawa: Innovator in Antitumor Antibiotics

Introduction

Mitsuaki Tsunakawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antitumor antibiotics. With a total of 14 patents to his name, Tsunakawa's work has had a notable impact on cancer treatment.

Latest Patents

One of Tsunakawa's latest patents is the antitumor antibiotic designated BMS-199687. This invention relates to the preparation of BMS-199687, which is obtained by culturing a new strain of Actinomadura ferruginea. The compound has demonstrated antitumor activity in standard antitumor animal model systems, showcasing its potential in cancer therapy.

Career Highlights

Throughout his career, Mitsuaki Tsunakawa has worked with notable companies, including Bristol-Myers Squibb Company and Bristol-Myers Company. His experience in these organizations has allowed him to advance his research and contribute to the development of innovative pharmaceutical solutions.

Collaborations

Some of Tsunakawa's coworkers include Masataka Konishi and Takeo Miyaki. Their collaboration has likely played a role in the success of his research and patent developments.

Conclusion

Mitsuaki Tsunakawa is a distinguished inventor whose work in antitumor antibiotics has made a significant impact in the field of medicine. His innovative contributions continue to pave the way for advancements in cancer treatment.

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…