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Sumio Umezawa

This inventor holds 59 USPTO granted patents, primarily in Antibiotic Derivatives (CPC class 536 ). Top assignees: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Meiji Seika Kaisha, Ltd., Yamanouchi Pharmaceutical Company Ltd.. Active years: 1976-2003.

USPTO Granted Patents = 59

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 311(Granted Patents)

Forward Citations (Not Self Cited) = 257(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JA (1976 - 1978)
Shinjuku, JP (1996)
Tokyo, JP (1978 - 2001)
late of Tokyo, JP (2003)

Company Filing History:

48 out of 212

Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai

patents

5 out of 382

Meiji Seika Kaisha, Ltd.

patents

4 out of 329

Yamanouchi Pharmaceutical Company Ltd.

Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai (Microbial Chemistry Research

patent

6. 1 out of 1

Zaidan Hojin Biselbutsu Kagaku Kenkyu Kai (Microbial Chemistry Research

patent

where one patent can have more than one assignee

Years Active: 1976-2003

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Areas of Expertise:

Macrolide Antibiotics

Anthracycline Derivatives

Aminoglycosides

Fluorinated Sugars

Tylosin Derivatives

Deoxykanamycins

Mycaminosyl Tylonolide

Dideoxykanamycins

Pharmaceutical Compositions

Stereoisomers

Production Processes

Novel Derivatives

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6514946 - Macrolide antibiotics and treatment and prophylaxis of pasteurellosis using the same (2003-02-04),

2. 6184365 - Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2 fluoro-&agr;-L-talopyranosyl group (2001-02-06),

3. 6075135 - 3,4-di-O,N-Protected-4-amino-2,4,6-trideoxy-2-fluoro-L-manno-pyranosyl (2000-06-13),

4. 5958889 - Anthracycline derivatives having (1999-09-28),

5. 5886167 - 2'-deoxy-2'-epi-2'-fluorocoformycin (1999-03-23),

6. 5831072 - Process for the preparation of 2'-deoxy-2'-halocoformycins or (1998-11-03),

7. 5801257 - Anthracycline derivative having a trifluoromethylated sugar (1998-09-01),

8. 5789386 - Fluorine-containing anthracycline derivatives having hydroxyl groups(s) (1998-08-04),

9. 5773607 - Processes for preparing 2'-deoxy-2'-fluorocoformycin and stereoisomers (1998-06-30),

10. 5719130 - Anthracycline derivative having a trifluoromethylated sugar (1998-02-17),

11. 5541303 - 3,4'-dideoxymycaminosltylonolide derivative and process for producing (1996-07-30),

12. 5527781 - 4-O-(aminoglycosyl)- or (1996-06-18),

13. 5101022 - Mycaminosyl tylonolide derivatives (1992-03-31),

14. 5096888 - 3-deoxy mycaminosyl tylonolide derivatives (1992-03-17),

15. 5034517 - Process for producing 2,6-dideoxy-2-fluoro-L-talopyranose (1991-07-23),

Hello! I'm excited to share some fascinating insights about inventor Sumio Umezawa from Tokyo, JP, known for his remarkable contributions to the field of inventions. Let's delve into his impressive journey.

Latest Patents:

Sumio Umezawa has a significant portfolio of 59 patents, with his latest patents focusing on cutting-edge innovations in the medical field. He has disclosed patents related to Macrolide antibiotics, specifically highlighting the treatment and prophylaxis of pasteurellosis using 20,23-disubstituted mycaminosyltylonolide derivatives. These derivatives exhibit selective antibacterial activity against Pasteurella, showcasing Umezawa's pioneering work in pharmaceuticals.

Career Highlights:

Throughout his career, Umezawa has collaborated with renowned companies such as Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai and Meiji Seika Kaisha, Ltd. His tenure with these industry players has been instrumental in driving forward groundbreaking research and development initiatives, solidifying his reputation as a visionary inventor.

Collaborations:

Umezawa has had the pleasure of working alongside esteemed colleagues such as Hamao Umezawa and Tsutomu Tsuchiya. Together, they have synergized their expertise to push the boundaries of innovation, resulting in the creation of impactful inventions that have left a lasting legacy in the scientific community.

In conclusion, Sumio Umezawa's exceptional talent and dedication to pioneering advancements in the field of medicine have positioned him as a trailblazing inventor. His prolific patent portfolio and successful collaborations underscore his invaluable contributions to the realm of innovations.

Profile summary based on public USPTO records.

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