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For the Inventor, By the Inventor

Toyonaka, Japan

Masaru Nakao

USPTO Granted Patents = 19 

Average Co-Inventor Count = 5.6

ph-index = 4

Forward Citations = 62(Granted Patents)


Location History:

  • Osaka, JA (1976 - 1977)
  • Toyonaka, JA (1976 - 1978)
  • Toyonaka, JP (1979 - 1981)

Company Filing History:

goldMedal19 out of 6,896 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1976-1981

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19 patents (USPTO):Explore Patents
1. 4303663 - Butyrophenone compounds (1981-12-01),
2. 4148796 - .gamma.-Piperidinobutyrophenones (1979-04-10),
3. 4080328 - N-substituted heterocyclic derivatives and preparation thereof (1978-03-21),
4. 4065565 - Acylhydrazones and anti-psychotic compositions thereof (1977-12-27),
5. 4039670 - Butyrophenone compounds as psychotropics (1977-08-02),
6. 4017624 - N-(.omega.-Amino)alkylaniline derivatives (1977-04-12),
7. 4012515 - Aryl ketones and production thereof (1977-03-15),
8. 4012514 - Aryl ketones and production thereof (1977-03-15),
9. 4010280 - Phenoxyalkylamine derivatives and preparation thereof (1977-03-01),
10. 4009275 - Phenoxypropylamine derivatives (1977-02-22),
11. 4009173 - Butyrophenone derivatives (1977-02-22),
12. 4001312 - Aminoalcohols (1977-01-04),
13. 3993780 - Phenoxyethylamine derivatives having central nervous system depressant (1976-11-23),
14. 3979390 - Butyrophenone derivatives and production thereof (1976-09-07),
15. 3965106 - 3-Phenoxypropylamine derivatives (1976-06-22),

Title: The Innovations of Masaru Nakao: A Pioneer in Psychotropic Compounds

Introduction

Masaru Nakao, an inventive force from Toyonaka, Japan, has made significant contributions to the field of psychotropic pharmaceuticals. With an impressive portfolio of 19 patents, Nakao's work showcases innovative compounds that advance medical treatments and improve patient outcomes.

Latest Patents

Among his recent patents are groundbreaking butyrophenone compounds designed for enhanced psychotropic activities. These compounds are represented by complex formulas that highlight sophisticated chemical structures, such as those with halogen atoms, lower alkyl groups, and various substituents, affirming Nakao’s dedication to chemical innovation. His latest developments also include novel γ-piperidinobutyrophenone derivatives, further emphasizing his expertise in designing effective therapeutic agents.

Career Highlights

Nakao's career is marked by his tenure at Sumitomo Chemical Company, Limited, where he has channeled his inventive spirit into the research and development of psychotropic medications. His commitment to innovation has not only advanced pharmaceutical science but has also significantly impacted how psychotropic disorders are treated today.

Collaborations

Throughout his career, Nakao has partnered with esteemed colleagues such as Hisao Yamamoto and Kikuo Sasajima. These collaborations have fostered an environment of creativity and advancement, propelling the development of new and innovative compounds within the industry.

Conclusion

Masaru Nakao’s contributions to the field of psychotropic compounds indicate a remarkable journey of innovation and collaboration. With his extensive patent portfolio, Nakao stands as a pivotal figure in the pharmaceutical industry, continually pushing the boundaries of what is possible in medical science. His work not only reflects his genius as an inventor but also his unwavering commitment to improving healthcare through advanced chemical innovations.

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