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For the Inventor, By the Inventor

Washimiya, Japan

Hiromitsu Takeda

This inventor holds 8 USPTO granted patents. Top assignee: Nippon Chemiphar Co., Ltd.. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromitsu Takeda. Retrieved from https://idiyas.com/inventor/hiromitsu-takeda-x1b69hpg

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 = 4.8

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Kitakatsushika, JP (1990)
  • Washimiya, JP (1990 - 1995)
  • Saitama, JP (1996 - 1998)

Company Filing History:

goldMedal8 out of 132 
 
Nippon Chemiphar Co., Ltd.
 patents

Years Active: 1990-1998

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8 patents (USPTO):Explore Patents
1. 5852006 - N-aminoalkyl-substituted nitrogen-containing six membered heterocyclic (1998-12-22),
2. 5574030 - N-aminoalkyl-substituted nitrogen-containing five membered heterocyclic (1996-11-12),
3. 5446146 - Piperazine derivative having substituted phenyl groups (1995-08-29),
4. 5183811 - Glycerol derivative and anti-hypertensive agent (1993-02-02),
5. 5070089 - Therapeutic agent for liver disease and piperazine derivatives (1991-12-03),
6. 5053402 - Certain glyceryl phosphate-cyclic ammonium compounds useful for treating (1991-10-01),
7. 4962096 - Heterocyclic glycerol derivatives and their use as anti-hypertensive (1990-10-09),
8. 4891433 - Process for the preparation of dibenzothiepin derivative (1990-01-02),

Title: Hiromitsu Takeda: Innovator in Pharmaceutical Chemistry

Introduction

Hiromitsu Takeda is a prominent inventor based in Washimiya, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of new alkylenediamine derivatives. With a total of 8 patents to his name, Takeda's work has the potential to impact the treatment of various medical conditions.

Latest Patents

Among his latest patents, Takeda has disclosed innovative compounds aimed at treating dysuria. One of his notable inventions is the N-aminoalkyl-substituted nitrogen-containing six-membered heterocyclic compound. This patent describes new alkylenediamine derivatives characterized by specific structural formulas, where R groups can represent various chemical entities. Another significant patent involves N-aminoalkyl-substituted nitrogen-containing five-membered heterocyclic compounds, which also focus on the treatment of dysuria with similar structural characteristics.

Career Highlights

Hiromitsu Takeda is associated with Nippon Chemiphar Co., Ltd., where he continues to advance his research and development efforts. His work has garnered attention in the pharmaceutical industry, contributing to the understanding and treatment of urinary disorders.

Collaborations

Takeda has collaborated with notable colleagues, including Mitsuo Masaki and Toshiro Kamishiro. These partnerships have fostered a collaborative environment that enhances innovation and research in their field.

Conclusion

Hiromitsu Takeda's contributions to pharmaceutical chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to pave the way for advancements in medical treatments.

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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