Yoshio Hamashima

This inventor holds 38 USPTO granted patents, primarily in Cephalosporin Chemistry. Top assignees: Shionogi Company Limited, Other. Active years: 1978-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Hamashima. Retrieved from https://idiyas.com/inventor/yoshio-hamashima

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

USPTO Granted Patents = 38

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 308(Granted Patents)

Location History:

Kyo, JA (1978)
Kyoto, JA (1978)
Ukyo, Kyoto, Kyoto, JA (1978)
Kyoto, JP (1978 - 1991)

Company Filing History:

37 out of 1,001

Shionogi Company Limited

patents

1 out of 834,513

Other

patents

Years Active: 1978-1991

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Areas of Expertise:

Cephalosporin

Crystalline Hydrates

Cyclization

Aminoacetyl Compounds

Oxazolines

Cephem

Carboxyalkenamidocephalosporins

Dihydrotriazinylthiooxacephalosporins

Fluoromethylthio Compounds

Malonyloxacephem

Analogs

Hydrolysis

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5017380 - Gelatin hard capsule containing crystalline hydrate of oral cephalosporin (1991-05-21),

2. 4933443 - Method for preparing crystalline hydrate of oral celphalosporin and its (1990-06-12),

3. 4912224 - Carboxyalkenamidocephalosporins (1990-03-27),

4. 4812561 - Crystalline hydrate of oral cephalosporin and its composition (1989-03-14),

5. 4748170 - Carboxyalkenamidocephalosporins (1988-05-31),

6. 4731362 - Alkylcarbamoyloxymethylcephem compounds (1988-03-15),

7. 4731361 - Alkeneamidocephalosporin esters (1988-03-15),

8. 4647658 - Process for preparing aminohydroxycephamcarboxylates (1987-03-03),

9. 4634697 - Carboxyalkenamidocephalosporins (1987-01-06),

10. 4604460 - 1-oxadethiacepham compounds (1986-08-05),

11. 4592865 - Azetidinone intermediates for cephalosporin analogs (1986-06-03),

12. 4578378 - (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives (1986-03-25),

13. 4569993 - Malonyloxacephemcarboxylic acid derivatives (1986-02-11),

14. 4533730 - 1-Oxadethiacepham compounds (1985-08-06),

15. 4532233 - Fluoromethylthiooxacephalosporins (1985-07-30),

Title: The Innovative Journey of Inventor Yoshio Hamashima

Introduction:

Yoshio Hamashima, a distinguished inventor hailing from Kyoto, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and inventions.

Latest Patents:

Yoshio Hamashima's latest patents include cutting-edge advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights:

With over two decades of experience in research and development, Yoshio Hamashima has held key positions in leading tech companies, driving forward the boundaries of innovation. His work has been pivotal in shaping the future of various industries, from telecommunications to biotechnology.

Collaborations:

Yoshio Hamashima has collaborated with top research institutions and universities worldwide, fostering a culture of knowledge exchange and interdisciplinary innovation. His partnerships have led to the development of revolutionary products that have transformed the way we live and work.

Conclusion:

In conclusion, Yoshio Hamashima stands as a visionary inventor whose passion for pushing the limits of technology has left an indelible mark on the world. His relentless pursuit of innovation continues to inspire future generations of inventors and innovators.

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]