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For the Inventor, By the Inventor

Tsukuba, Japan

Masaru Nishikibe

This inventor holds 13 USPTO granted patents. Top assignee: Banyu Pharmaceutical Co. Ltd. Active years: 1992-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Nishikibe. Retrieved from https://idiyas.com/inventor/masaru-nishikibe

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 7

Forward Citations = 178(Granted Patents)


Location History:

  • Urayasu, JP (1994 - 1996)
  • Tokyo, JP (1992 - 1997)
  • Tsukuba, JP (1995 - 2002)

Company Filing History:

goldMedal13 out of 237 
 
Banyu Pharmaceutical Co. Ltd
 patents

Years Active: 1992-2002

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13 patents (USPTO):Explore Patents
1. 6413979 - Substituted 5-(2,2-difluoro-1,3-benzodioxol-5-yl) cyclopentenopyridine derivative (2002-07-02),
2. 6140333 - N-acyl cyclic amine derivatives (2000-10-31),
3. 6040449 - Fluorine-containing 1, 4-disubstituted piperidine derivatives (2000-03-21),
4. 5948792 - Fluorine-containing 1,4-disubstituted piperidine derivatives (1999-09-07),
5. 5750540 - 1,4-di-substituted piperidine derivatives (1998-05-12),
6. 5714479 - Endothelin antagonistic heteroaromatic ring-fused cyclopentene (1998-02-03),
7. 5614498 - Endothelin antagonistic substance (1997-03-25),
8. 5496928 - Endothelin antagonistic substance (1996-03-05),
9. 5494923 - Method of ameliorating cerebral circulation (1996-02-27),
10. 5444077 - Ameliorant of cerebral circulation and optical isomer of NB-818, (1995-08-22),
11. 5389620 - Endothelin antagonistic heteroaromatic ring-fused cyclopentene (1995-02-14),
12. 5362736 - Isoquinoline derivatives (1994-11-08),
13. 5114918 - Endothelin antagonistic cyclic pentapeptides (1992-05-19),

Title: Masaru Nishikibe: Innovator in Pharmaceutical Chemistry

Introduction

Masaru Nishikibe is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 13 patents. His work focuses on developing innovative compounds that have potential therapeutic applications.

Latest Patents

Nishikibe's latest patents include a cyclopentenopyridine derivative, which is represented by a general formula and is noted for its pharmaceutical acceptability. This invention relates to a compound that has a phenyl group and various alkylamino groups, showcasing its potential in medicinal applications. Another notable patent involves N-acyl cyclic amine derivatives, which exhibit selective antagonistic activity against muscarinic M3 receptors. These compounds are particularly valuable due to their effectiveness in treating respiratory, urinary, and digestive diseases with minimal side effects.

Career Highlights

Masaru Nishikibe is currently associated with Banyu Pharmaceutical Co. Ltd., where he continues to innovate and contribute to the development of new pharmaceutical products. His expertise in the field has led to advancements that enhance the efficacy and safety of medications.

Collaborations

Nishikibe has collaborated with notable colleagues such as Kiyofumi Ishikawa and Takashi Hayama. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in pharmaceutical research.

Conclusion

Masaru Nishikibe's work exemplifies the impact of innovation in pharmaceutical chemistry. His patents reflect a commitment to developing effective treatments that improve patient outcomes. His contributions continue to shape the future of medicine.

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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