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For the Inventor, By the Inventor

Kyoto, Japan

Tadakazu Suyama

This inventor holds 47 USPTO granted patents, primarily in Pharmaceutical Compositions. Top assignees: The Green Cross Corporation, Taisho Pharmaceutical Co., Ltd., Ishihara Sangyo Kaisha, Ltd.. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadakazu Suyama. Retrieved from https://idiyas.com/inventor/tadakazu-suyama

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

USPTO Granted Patents = 47

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 14

Forward Citations = 548(Granted Patents)


Location History:

  • Hirakata, JA (1976)
  • Ianabemachi, JP (1982)
  • Osaka, JP (1986)
  • Kyoto, JP (1981 - 1991)
  • Tsuzuki, JP (1982 - 1992)

Company Filing History:

goldMedal47 out of 264 
 
The Green Cross Corporation
 patents
silverMedal2 out of 314 
 
Taisho Pharmaceutical Co., Ltd.
 patents
bronzeMedal1 out of 394 
 
Ishihara Sangyo Kaisha, Ltd.
 patents
4. 1 out of 136 
 
Kaken Pharmaceutical Company, Ltd.
 patents
5. 1 out of 324 
 
Tanabe Seiyaku Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1976-1992

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Areas of Expertise:
Ophthalmic Preparation
Immunoglobulin
Peptic Ulcer
Monoclonal Antibody
Yeast Promoter
Blood Substitutes
Drug Complex
Perfluoro Compounds
Coagulation Factor
Ester Emulsions
Interferon Recovery
Fat Emulsion
47 patents (USPTO):Explore Patents
1. 5171566 - Flurbiprofen derivative ophthalmic preparation (1992-12-15),
2. 5132406 - Method of producing immunoglobulin preparations for intravenous injection (1992-07-21),
3. 5053498 - Therapeutic and prophylactic agents for peptic ulcer (1991-10-01),
4. 5021339 - Yeast promoter truncated GAP-DH (1991-06-04),
5. 4959320 - Monoclonal antibody, process for preparing same, reagent for detecting (1990-09-25),
6. 4945046 - Yeast promoter and process for preparing heterologous protein (1990-07-31),
7. 4888417 - Therapeutic and prophylactic agents for peptic ulcer (1989-12-19),
8. 4849451 - Fat emulsion containing prostaglandin (1989-07-18),
9. 4849425 - Readily absorbable pharmaceutical composition (1989-07-18),
10. 4822872 - Method of purifying factor VIII (1989-04-18),
11. 4757021 - Recombinant plasmid and microbial strain transformed by said plasmid (1988-07-12),
12. 4733002 - Lipoxygenase inhibitor (1988-03-22),
13. 4721777 - Process for the virus-inactivation of immunoglobulin (1988-01-26),
14. 4713459 - Perfluoro compounds (1987-12-15),
15. 4694074 - Process for the purification of HBsAg (1987-09-15),

Title: Innovations and Contributions of Tadakazu Suyama

Introduction

Tadakazu Suyama, based in Kyoto, Japan, is a prominent inventor known for his significant contributions to the field of pharmaceuticals. With an impressive portfolio of 47 patents, Suyama's work emphasizes innovative approaches to medical treatments.

Latest Patents

Among his latest patents is a flurbiprofen derivative ophthalmic preparation. This invention includes a fat emulsion containing flurbiprofen or its derivatives, providing an effective solution for ophthalmic uses. Another notable patent involves a method of producing immunoglobulin preparations for intravenous injection, which entails a sequence of treatment steps starting from an immunoglobulin-containing fraction.

Career Highlights

Throughout his career, Tadakazu Suyama has worked with respected companies such as The Green Cross Corporation and Taisho Pharmaceutical Co., Ltd. His association with these organizations has played a crucial role in advancing pharmaceutical innovations.

Collaborations

Suyama has collaborated with notable peers in the industry, including Kazumasa Yokoyama and Chikara Fukaya. These collaborations have further enriched his research and patent portfolio, reflecting a strong commitment to the advancement of pharmaceutical science.

Conclusion

Tadakazu Suyama's innovative spirit and dedication to research have resulted in numerous patents that contribute fundamentally to healthcare. His achievements serve as an inspiration for future inventors and underscore the importance of collaboration in driving medical advancements.

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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