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Naosuke Maruyama

USPTO Granted Patents = 42 (Patent Applications = 4)

EPO Patents = 23 (Patent Applications = 21)

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 94(Granted Patents)

Location History:

Nakakubiki-gun, JP (1996)
Kubiki-Mura, JP (1998)
Niigata, JP (1996 - 2020)
Niigata-ken, JP (2003 - 2021)
Joetsu, JP (2010 - 2023)

Company Filing History:

41 out of 5,975

Shin-etsu Chemical Co., Ltd.

Aichi-prefectural Government

Ichinomy Fashion Design Center Foundation

Shin-etsu Chemical C O., Ltd.

where one patent can have more than one assignee

Years Active: 1996-2023

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Areas of Expertise:

Granulated Composite

Rapid Release Tablet

Hypromellose Acetate Succinate

Hot-Melt Extrusion

Enteric Hard Capsule

Coating Composition

Solid Preparation

Alkyl Cellulose

Low-Substituted Hydroxypropyl Cellulose

Film Preparation

Solid Dosage Form

Aqueous Emulsion

42 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11723872 - Granulated composite, rapid release tablet and method for producing same (2023-08-15),

2. 11396558 - Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid (2022-07-26),

3. 11141381 - Composition for enteric hard capsule and method for producing enteric hard capsule (2021-10-12),

4. 11090295 - Hypromellose acetate succinate for use as hot-melt extrusion carrier, hot-melt extrusion composition, and method for producing hot-melt extrudate (2021-08-17),

5. 11052051 - Coating composition, drug-containing particle, solid preparation and method for preparing drug-containing particle (2021-07-06),

6. 11021628 - Coating composition containing methyl cellulose, method for producing the same, and solid preparation (2021-06-01),

7. 10959959 - Low-substituted hydroxypropyl cellulose and solid preparation (2021-03-30),

8. 10888525 - Hypromellose acetate succinate and method for producing the same (2021-01-12),

9. 10836836 - Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid preparation (2020-11-17),

10. 10696751 - Solid preparation containing alkyl cellulose and method for producing the same (2020-06-30),

11. 10646573 - Composition for hot melt extrusion and method for producing hot melt extrudate by using same (2020-05-12),

12. 10604588 - Hypromellose acetate succinate powder excellent in dissolved state and production method thereof, and production methods for composition for solid dispersion, coating composition, drug-containing particle, and solid preparation (2020-03-31),

13. 10532029 - Alkyl cellulose for use in tableting and solid preparation comprising same (2020-01-14),

14. 10493161 - Solution for spray drying comprising hypromellose acetate succinate and method for producing solid dispersion (2019-12-03),

15. 10406107 - Method of preparing composite granule comprising low-substituted hydroxypropyl cellulose and rapid release preparation (2019-09-10),

Title: Innovations of Naosuke Maruyama: A Pioneer in Rapid Release Tablet Technology

Introduction

Naosuke Maruyama is a prominent inventor hailing from Joetsu, Japan. With an impressive portfolio of 42 patents, Maruyama has made significant contributions to the field of pharmaceutical formulations. His recent innovations highlight his dedication to enhancing drug delivery systems, particularly with rapid release tablet technology.

Latest Patents

Among his latest patents, Maruyama developed a groundbreaking granulated composite for rapid release tablets. This innovative formulation excels in binding capability, disintegrability, and storage stability. The granulated composite comprises low-substituted hydroxypropyl cellulose with a degree of hydroxypropoxy substitution of 5 to 16% by weight, combined with D-mannitol. Notably, the D-mannitol used contains only 0.9% by weight or less of D-sorbitol. Additionally, Maruyama's invention includes a method for producing this granulated composite through a meticulous process involving mixing, granulating, and thorough quality control.

Another notable patent focuses on hypromellose acetate succinate (HPMCAS) powder known for its high solubility and reduced formation of undissolved materials. Maruyama's method of producing this powder includes esterifying hypromellose with succinic and acetic anhydrides in a controlled reaction environment, yielding a product optimized for pharmaceutical use.

Career Highlights

Throughout his career, Naosuke Maruyama has been associated with esteemed organizations that support his innovative work. He has worked with Shin-Etsu Chemical Co., Ltd., a leading global producer of chemical products, and the Aichi Prefectural Government. His experiences at these institutions have allowed him to gain valuable insights into the intersection of chemistry and pharmaceutical applications.

Collaborations

Maruyama's accomplishments are also a testament to his collaborative spirit. He has worked alongside talented individuals such as Kazuki Kikuchi and Hiroshi Umezawa, contributing to various projects that emphasize excellence in pharmaceutical innovation.

Conclusion

Naosuke Maruyama's contributions to the field of rapid release tablets and pharmaceutical polymers underscore his role as a leading inventor in Japan. With 42 patents to his name, his inventions not only advance drug delivery systems but also provide the foundation for future innovations in the pharmaceutical industry. His commitment to research and adaptation of cutting-edge techniques continues to inspire professionals and scholars alike, further solidifying his legacy in the world of inventions.

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