Shinjiro Niwata

This inventor holds 8 USPTO granted patents. Top assignees: Suntory Limited, Shionogi Company Limited. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinjiro Niwata. Retrieved from https://idiyas.com/inventor/shinjiro-niwata

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 50(Granted Patents)

Location History:

Toyonaka, JP (1990 - 1991)
Ibaraki, JP (1992 - 1995)
Osaka, JP (1995)
Takatsuki, JP (1997 - 1998)

Company Filing History:

Shionogi Company Limited

patents

where one patent can have more than one assignee

Years Active: 1990-1998

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5814631 - Quinazoline derivatives and applications thereof (1998-09-29),

2. 5691335 - Imidazolidine derivative and use thereof (1997-11-25),

3. 5424310 - Substituted 1,2,4-triazine-3,5-dione derivative and anticoccidial drug (1995-06-13),

4. 5399743 - Dipeptide derivative and prophylactic or therapeutic agent for bone (1995-03-21),

5. 5395824 - Dipeptide derivative and prophylactic and therapeutic agent for bone (1995-03-07),

6. 5141551 - Benzoxazine derivative and benzothiazine derivative and herbicide (1992-08-25),

7. 5039696 - Maleimide derivatives and fungicides for agriculture and horticulture (1991-08-13),

8. 4945104 - Maleimide derivatives and use thereof in agricultural and horticultural (1990-07-31),

Title: The Innovations of Shinjiro Niwata

Introduction

Shinjiro Niwata is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of chemistry, particularly in the development of various chemical compounds. With a total of 8 patents to his name, Niwata's work has had a notable impact on the industry.

Latest Patents

Among his latest patents are innovative compounds such as Quinazoline derivatives and applications thereof, as well as Imidazolidine derivative and use thereof. These inventions showcase his expertise in creating valuable chemical substances with potential applications in various fields.

Career Highlights

Throughout his career, Shinjiro Niwata has worked with reputable companies, including Suntory Limited and Shionogi Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in chemical research and development.

Collaborations

Niwata has collaborated with notable colleagues, including Harukazu Fukami and Yoshinobu Kiso. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Shinjiro Niwata's contributions to the field of chemistry through his patents and collaborations highlight his role as a key innovator. His work continues to influence the industry and inspire future advancements in chemical research.

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]