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For the Inventor, By the Inventor

Tsukuba, Japan

Tatsuya Maruyama

This inventor holds 15 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignees: Yamanouchi Pharmaceutical Company Ltd., Astellas Pharma Gmbh. Active years: 1992-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Maruyama. Retrieved from https://idiyas.com/inventor/tatsuya-maruyama-jtff4zta

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

USPTO Granted Patents = 15

% Patents Active = 93.3



Average Co-Inventor Count = 5.5

ph-index = 5

Forward Citations = 108(Granted Patents)


Location History:

  • Ibaraki, JP (1992 - 1997)
  • Tsukuba, JP (1996 - 2011)
  • Tsuchiura, JP (2014)

Company Filing History:

goldMedal10 out of 329 
 
Yamanouchi Pharmaceutical Company Ltd.
 patents
silverMedal5 out of 424 
 
Astellas Pharma Gmbh
 patents

Years Active: 1992-2014

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15 patents (USPTO):Explore Patents
1. 8835474 - Remedy for overactive bladder comprising acetic acid anilide derivative as the active ingredient (2014-09-16),
2. RE44872 - Remedy for overactive bladder comprising acetic acid anilide derivative as the active ingredient (2014-04-28),
3. 7982049 - α-form or β-form crystal of acetanilide derivative (2011-07-19),
4. 7750029 - Remedy for overactive bladder comprising acetic acid anilide derivative as the active ingredient (2010-07-06),
5. 7342117 - α-form or β-form crystal of acetanilide derivative (2008-03-11),
6. 7268150 - 2-cyano-4-fluoropyrrolidine derivative or its salt (2007-09-11),
7. 6346532 - Amide derivatives or salts thereof (2002-02-12),
8. 6177454 - Amide derivatives and medicinal compositions thereof (2001-01-23),
9. 6048884 - Amide derivatives and medicinal compositions thereof (2000-04-11),
10. 5643931 - Bisoxadiazolidine derivative (1997-07-01),
11. 5633288 - Tri (lower alkoxy) benzene derivatives (1997-05-27),
12. 5498635 - Tri(lower alkoxy) benzene derivatives (1996-03-12),
13. 5453514 - Pyrazole derivatives and compositions and methods of use as maillard (1995-09-26),
14. 5401775 - Tri(lower alkoxy)benzene derivatives (1995-03-28),
15. 5162318 - Benzimidazolinone derivatives (1992-11-10),

Title: Tatsuya Maruyama: Innovator in Overactive Bladder Remedies

Introduction

Tatsuya Maruyama is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in developing remedies for overactive bladder conditions. With a total of 15 patents to his name, Maruyama's work has had a substantial impact on medical treatments.

Latest Patents

One of Maruyama's latest patents involves a remedy for overactive bladder that comprises an acetic acid anilide derivative as the active ingredient. The compound, specifically (R)-2-(2-aminothiazol-4-yl)-4'-[2-[(2-hydroxy-2-phenylethyl)amino]ethyl]acetic acid anilide or its salt, has demonstrated a potent bladder relaxation effect in isolated rat bladder smooth muscle relaxation tests. It dose-dependently lowers the contraction frequency of rhythmic bladder contractions in rat rhythmic bladder contraction measurement tests. Furthermore, it prolongs the urination intervals in urination functions measurement tests on cyclophosphamide-induced overactive bladder model rats. Owing to these effects, this compound is useful as a remedy for overactive bladder.

Career Highlights

Throughout his career, Tatsuya Maruyama has worked with notable companies in the pharmaceutical industry. He has been associated with Yamanouchi Pharmaceutical Company Ltd. and Astellas Pharma GmbH. His work in these organizations has allowed him to develop innovative solutions for various medical conditions.

Collaborations

Maruyama has collaborated with several professionals in his field, including Takayuki Suzuki and Kenichi Onda. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Tatsuya Maruyama is a distinguished inventor whose work in developing remedies for overactive bladder has made a significant impact in the pharmaceutical industry. His innovative patents and collaborations highlight his dedication to improving 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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