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For the Inventor, By the Inventor

Katsuyama, Japan

Eiichi Koshinaka

This inventor holds 24 USPTO granted patents, primarily in Pharmaceutical Chemistry. Top assignees: Hokuriku Pharmaceutical Co., Ltd., Hokuriku Seiyaku Co., Ltd., Other. Active years: 1976-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Koshinaka. Retrieved from https://idiyas.com/inventor/eiichi-koshinaka

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 115(Granted Patents)


Location History:

  • Fukui, JA (1976)
  • Katsuyama, JA (1978)
  • Katsuyamashi, JP (1980 - 1991)
  • Katsuyama, JP (1992 - 1995)
  • Fukui, JP (1978 - 2000)

Company Filing History:

goldMedal21 out of 28 
 
Hokuriku Pharmaceutical Co., Ltd.
 patents
silverMedal3 out of 13 
 
Hokuriku Seiyaku Co., Ltd.
 patents
bronzeMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2000

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Areas of Expertise:
Benzyl Alcohol Derivatives
Piperidine Compounds
Thiazetoquinoline Derivatives
Isoquinolinesulfonamides
Propiophenone Derivatives
Anti-Inflammatory Agents
Piperazine Derivatives
Pharmaceutical Compositions
3-Pyrrolidinopropiophenone
Alpha-Aminoalkyl Compounds
Anti-Spasmodic Compounds
Dihydro-1-Methyl-Spiro Compounds
24 patents (USPTO):Explore Patents
1. 6162833 - Photostable aqueous solution comprising benzyl alcohol derivatives (2000-12-19),
2. 5952387 - Photostable aqueous solution containing benzyl alcohol derivatives (1999-09-14),
3. 5432192 - Tricyclic compounds and method for treating allergic diseases (1995-07-11),
4. 5344828 - Piperazinealkanoic acid and a pharmaceutical composition comprising the (1994-09-06),
5. 5153207 - Piperidine derivative, method for preparation thereof, and a (1992-10-06),
6. 5126337 - Thiazetoquinoline-3-carboxylic acid derivative and a pharmaceutical (1992-06-30),
7. 5095022 - Piperidine derivatives and pharmaceutical compositions comprising the (1992-03-10),
8. 4983633 - Amide compounds, process for preparing the same, and composition for (1991-01-08),
9. 4971990 - Phenoxyethylamine derivatives, for preparing the same and composition (1990-11-20),
10. 4943581 - Isoquinolinesulfonamides (1990-07-24),
11. 4912116 - Propiophenone derivatives for treatment of pollakiuria (frequency (1990-03-27),
12. 4792547 - Pyrazine-2-carboxamide derivatives useful in treating allergic disease (1988-12-20),
13. 4638009 - Derivatives of 3-pyrrolidinopropiophenone and a process for preparation (1987-01-20),
14. 4612329 - Pharmaceutical alpha-aminoalkyl-alpha-alkylphenylacetonitriles (1986-09-16),
15. 4534980 - Antiinflammatory and antipyretic cream (1985-08-13),

Title: Eiichi Koshinaka: A Pioneer in Photostable Aqueous Solutions

Introduction

Eiichi Koshinaka is an accomplished inventor from Katsuyama, Japan, known for his significant contributions to the field of pharmaceutical science. With a remarkable portfolio of 24 patents, Koshinaka has established himself as a key player in the development of innovative aqueous solutions incorporating benzyl alcohol derivatives.

Latest Patents

One of Eiichi Koshinaka’s latest inventions is a photostable aqueous solution comprising benzyl alcohol derivatives. This invention includes optically active (-)-(R)-α-((tert-butylamino)methyl)-2-chloro-4-hydroxybenzyl alcohol and its pharmacologically acceptable salt. The solution is formulated to include at least one photostabilizer selected from saccharides, sugar alcohols, and polyalcohols. It specifies that the content of the active ingredient ranges from 0.01 to 10% (w/v), while the photostabilizer should be present at 1 to 50% (w/v). Furthermore, at least 10% (w/w) of the photostabilizer must be based on a total weight of the active ingredient and its salt.

Career Highlights

Throughout his career, Koshinaka has worked with notable companies, including Hokuriku Pharmaceutical Co., Ltd. and Hokuriku Seiyaku Co., Ltd. His innovative spirit and dedication to improving pharmaceutical formulations have laid the groundwork for various advancements in drug stabilization and efficacy.

Collaborations

Eiichi Koshinaka has collaborated with esteemed colleagues, such as Hideo Kato and Nobuo Ogawa. Their joint efforts have fostered a productive environment for research and development, contributing to the success of numerous projects in the pharmaceutical sector.

Conclusion

Eiichi Koshinaka’s contributions to the field of aqueous solutions and his extensive patent portfolio underscore his role as a key innovator. His work continues to impact the pharmaceutical industry, paving the way for new formulations that enhance the efficacy and stability of drugs. As he pushes the boundaries of innovation, Koshinaka exemplifies the spirit of creativity and scientific exploration.

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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