Shigeki Fujiwara

This inventor holds 10 USPTO granted patents. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Millennium Pharmaceuticals Limited. Active years: 1997-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Fujiwara. Retrieved from https://idiyas.com/inventor/shigeki-fujiwara

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

USPTO Granted Patents = 10

% Patents Active = 90.0

Average Co-Inventor Count = 8.3

ph-index = 6

Forward Citations = 125(Granted Patents)

Location History:

Sunto-gun, JP (1997)
Mishima, JP (1998 - 2002)
Shizuoka, JP (1997 - 2004)

Company Filing History:

8 out of 730

Kyowa Hakko Kogyo Co., Ltd.

patents

2 out of 854

Millennium Pharmaceuticals Limited

patents

Years Active: 1997-2004

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6750218 - Nitrogen-containing heterocyclic compounds (2004-06-15),

2. 6472391 - Nitrogen-containing heterocyclic compounds (2002-10-29),

3. 6207667 - 1,3 diazines with platelet-derived growth factor receptor inhibitory activity (2001-03-27),

4. 6169088 - 1,3 diazines with platelet-derived growth factor receptor inhibitory activity (2001-01-02),

5. 5948784 - Quinazoline derivatives (1999-09-07),

6. 5726325 - Tricyclic compounds (1998-03-10),

7. 5658917 - Isoquinolines having adenosine uptake inhibitor activity (1997-08-19),

8. 5648353 - Quinazolines and phthalazines having adenosine uptake inhibitor activity (1997-07-15),

9. 5624926 - Piperidinyl-dioxoquinazolines as adenosine reuptake inhibitors (1997-04-29),

10. 5605900 - Benzotriazines having adenosine uptake inhibitor activity (1997-02-25),

Title: Shigeki Fujiwara: Innovator in Nitrogen-Containing Heterocyclic Compounds

Introduction

Shigeki Fujiwara is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of chemistry, particularly in the development of nitrogen-containing heterocyclic compounds. With a total of 10 patents to his name, Fujiwara has established himself as a key figure in innovation.

Latest Patents

Among his latest patents, Shigeki Fujiwara has focused on nitrogen-containing heterocyclic compounds. These compounds have various applications in pharmaceuticals and materials science, showcasing his expertise in creating valuable chemical innovations.

Career Highlights

Throughout his career, Fujiwara has worked with notable companies such as Kyowa Hakko Kogyo Co., Ltd. and Millennium Pharmaceuticals Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking research and development.

Collaborations

Shigeki Fujiwara has collaborated with esteemed colleagues, including Haruki Takai and Akira Karasawa. These partnerships have fostered a creative environment that has led to the advancement of innovative solutions in their field.

Conclusion

In summary, Shigeki Fujiwara is a distinguished inventor whose work on nitrogen-containing heterocyclic compounds has made a significant impact in the scientific community. His collaborations and career achievements reflect his dedication to innovation and excellence in chemistry.

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]