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For the Inventor, By the Inventor

Yokohama, Japan

Masahisa Oka

This inventor holds 23 USPTO granted patents, primarily in Peptide Antibiotics. Top assignees: Bristol-Myers Company, Bristol-Myers Squibb Compnay, Bristol-Myers. Active years: 1978-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Oka. Retrieved from https://idiyas.com/inventor/masahisa-oka

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

USPTO Granted Patents = 23

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 76(Granted Patents)


Location History:

  • Yokohama, JA (1978)
  • Yokoyama, JP (1983 - 1984)
  • Noba, JP (1992)
  • Yokohama, JP (1979 - 1993)
  • Yokahama, JP (1993)

Company Filing History:

goldMedal17 out of 637 
 
Bristol-Myers Company
 patents
silverMedal5 out of 3,737 
 
Bristol-Myers Squibb Compnay
 patents
bronzeMedal1 out of 6 
 
Bristol-Myers
 patents

Years Active: 1978-1993

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Areas of Expertise:
Peptide Antibiotics
Antiviral Antibiotics
Antibacterial Compounds
Cephalosporin Derivatives
Semi-Synthetic Antibiotics
Chemical Compounds
Antitumor Antibiotics
BU-4641V
Glidobactin PF-1
BU-4344V
Intermediates
7-Amino Compounds
23 patents (USPTO):Explore Patents
1. 5266600 - BU-4641V, an antibacterial, antiviral and antitumor antibiotic (1993-11-30),
2. 5256548 - Antiviral antibiotic BU-4344V (1993-10-26),
3. 5140101 - Antiviral antibiotic BU-4344V (1992-08-18),
4. 5096884 - Glidobactin PF-1 peptide antibiotics (1992-03-17),
5. 5079148 - Peptide antibiotics (1992-01-07),
6. 5025023 - Peptide antibiotics (1991-06-18),
7. 4916063 - BU-2867T peptide antibiotics (1990-04-10),
8. 4898940 - Peptide antibiotics (1990-02-06),
9. 4833076 - Peptide antibiotics (1989-05-23),
10. 4789731 - Semi-synthetic peptide antibiotics (1988-12-06),
11. 4777160 - BU-2867T peptide antibiotics (1988-10-11),
12. 4751295 - Cephalosporin derivatives (1988-06-14),
13. 4742047 - Semi-synthetic peptide antibiotics (1988-05-03),
14. 4692510 - Peptide antibiotics (1987-09-08),
15. 4507487 - Chemical compounds (1985-03-26),

Title: Masahisa Oka - Pioneering Inventor from Yokohama

Introduction: Masahisa Oka is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahisa Oka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Masahisa Oka has worked with leading tech companies and research institutions, playing a key role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Masahisa Oka has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing to drive progress in the field of technology.

Conclusion: Masahisa Oka's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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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