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For the Inventor, By the Inventor

Niigata-ken, Japan

Yuichi Nishiyama

USPTO Granted Patents = 14 


Average Co-Inventor Count = 3.3

ph-index = 6

Forward Citations = 136(Granted Patents)


Location History:

  • Niigata, JP (1990)
  • Kubiki, JP (1991 - 1994)
  • Kubiki-mura, JP (1998)
  • Nakakubiki-gun, JP (2001)
  • Joetsu, JP (2013 - 2015)
  • Niigata-ken, JP (2005 - 2021)

Company Filing History:

goldMedal14 out of 5,966 
 
Shin-etsu Chemical Co., Ltd.
 patents

Years Active: 1990-2021

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14 patents (USPTO):Explore Patents
1. 11052051 - Coating composition, drug-containing particle, solid preparation and method for preparing drug-containing particle (2021-07-06),
2. 9926385 - Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same (2018-03-27),
3. 9382336 - Method for preparing cellulose ether having low degree of polymerization and cellulose ether prepared thereby (2016-07-05),
4. 9095513 - Enteric coated granule and method for preparing the same (2015-08-04),
5. 8865432 - Method for preparing cellulose derivatives having solubility improved (2014-10-21),
6. 8343548 - Solid dosage form comprising solid dispersion (2013-01-01),
7. 8343547 - Solid dosage form comprising solid dispersion (2013-01-01),
8. 6872336 - Process for producing a pharmaceutical solid preparation containing a poorly soluble drug (2005-03-29),
9. 6258799 - Aqueous coating composition and process for preparing solid pharmaceutical preparation (2001-07-10),
10. 5789014 - Method of manufacturing a solid preparation coated with non-solvent (1998-08-04),
11. 5372998 - Powdery material for preparing drug-coating solution (1994-12-13),
12. 5032074 - Apparatus for manufacturing hard capsules for medicament use (1991-07-16),
13. 4993137 - Method of manufacturing hard capsules (1991-02-19),
14. 4917885 - Hard medicinal capsule (1990-04-17),

Title: Yuichi Nishiyama: Innovator in Drug Delivery Technologies

Introduction

Yuichi Nishiyama, hailing from Niigata-ken, Japan, is a prominent inventor known for his significant contributions to the field of drug delivery systems. With a remarkable portfolio of 14 patents, his work focuses on improving the effectiveness and palatability of pharmaceuticals.

Latest Patents

Nishiyama's latest patents showcase his innovative approach to drug formulation. One notable invention is a drug-containing particle designed to suppress the dissolution of a drug in the oral cavity, thereby minimizing any unpleasant taste while ensuring efficient dissolution in the digestive tract. This invention encompasses a method for preparing the drug-containing particle, a coating composition used in the manufacturing process, and a solid preparation that includes the drug-containing particle.

Additionally, Nishiyama has developed a method for producing a water-soluble cellulose ether with a low degree of polymerization and enhanced whiteness. The complex process involves multiple steps, including the treatment of pulp powder with alkali metal hydroxide and subsequent purification to achieve the desired product.

Career Highlights

Yuichi Nishiyama is currently employed at Shin-Etsu Chemical Co., Ltd., a leading player in the chemical industry. His career at the company has been marked by a focus on developing innovative coating compositions and drug delivery systems that significantly enhance the pharmaceutical formulation process.

Collaborations

Throughout his career, Nishiyama has collaborated with notable colleagues, including Hiroaki Muto and Naosuke Maruyama. These partnerships have fostered a productive research environment, leading to advancements in drug delivery technologies.

Conclusion

In summary, Yuichi Nishiyama's work exemplifies the spirit of innovation within the pharmaceutical industry. His inventions not only advance drug delivery mechanisms but also contribute to improved patient experiences. As he continues to push the boundaries of pharmaceutical research, his contributions will undoubtedly pave the way for future breakthroughs in drug formulation and delivery.

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