logo

For the Inventor, By the Inventor

Niigata, Japan

Sakae Obara

This inventor holds 15 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Shin-Etsu Chemical Co., Ltd., Se Tylose USA, Inc., Shin-Etsu Chemical Ltd.. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sakae Obara. Retrieved from https://idiyas.com/inventor/sakae-obara

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

USPTO Granted Patents = 15 

% Patents Active = 86.7

 

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 31(Granted Patents)


Location History:

  • Niigata, JP (1992)
  • Chiyoda-ku, JP (2006)
  • Niigata-ken, JP (2002 - 2011)
  • Tokyo, JP (2005 - 2020)
  • Joetsu, JP (2021)

Company Filing History:

goldMedal14 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal2 out of 3 
 
Se Tylose USA, Inc.
 patents
bronzeMedal1 out of 152 
 
Shin-Etsu Chemical Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1992-2026

Loading Chart...
Loading Chart...
15 patents (USPTO):Explore Patents
1. RE51066 - Aqueous enteric coating composition (2026-10-13),
2. 12285486 - Pharmaceutical composition in solid extruded form (2025-04-29),
3. 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),
4. 10646573 - Composition for hot melt extrusion and method for producing hot melt extrudate by using same (2020-05-12),
5. 10493161 - Solution for spray drying comprising hypromellose acetate succinate and method for producing solid dispersion (2019-12-03),
6. 10016508 - Composition for hot-melt extrusion and method for producing hot-melt extrusion product using same (2018-07-10),
7. 8021690 - Solid preparation coated with a film coating layer and film coating agent (2011-09-20),
8. 7087093 - Modification of fibers or fabrics (2006-08-08),
9. 6946204 - Paper/film composite structure and making method (2005-09-20),
10. 6849729 - Low-substituted cellulose ether powder and production process thereof (2005-02-01),
11. 6680069 - Low-substituted hydroxypropyl cellulose and process for manufacturing the same (2004-01-20),
12. 6559134 - Solid preparation containing low-substituted hydroxypropyl cellulose and production process thereof (2003-05-06),
13. 6525192 - Low-substituted hydroxypropyl cellulose and process for producing same (2003-02-25),
14. 6380381 - Low-substituted hydroxypropyl cellulose (2002-04-30),
15. 5086077 - Endermic medicament with a gel base (1992-02-04),

Title: Sakae Obara: Innovator in Pharmaceutical Compositions

Introduction

Sakae Obara is a notable inventor based in Niigata-ken, Japan. He has made significant contributions to the field of pharmaceuticals, holding a total of 15 patents. His work focuses on innovative pharmaceutical compositions and methods that enhance drug delivery and efficacy.

Latest Patents

Among his latest patents, Obara has developed a pharmaceutical composition in solid extruded form. This composition includes an extruded solid combined with one or more pharmaceuticals or nutraceuticals. The extruded solid is composed of hydroxypropylmethylcellulose acetate succinate and isomalt. Another significant patent involves hypromellose acetate succinate for use as a hot-melt extrusion carrier. This patent details a hot-melt extrusion composition that includes hypromellose acetate succinates (HPMCAS) with specific particle size and bulk density characteristics. The method for producing a hot-melt extrudate is also outlined, emphasizing the importance of temperature control during the extrusion process.

Career Highlights

Sakae Obara has worked with prominent companies in the industry, including Shin-Etsu Chemical Co., Ltd. and Se Tylose USA, Inc. His experience in these organizations has contributed to his expertise in pharmaceutical innovations.

Collaborations

Obara has collaborated with notable individuals in his field, including Naosuke Maruyama and Shogo Warashina. These partnerships have likely facilitated the development of his innovative patents and advancements in pharmaceutical technology.

Conclusion

Sakae Obara's contributions to pharmaceutical compositions and methods demonstrate his commitment to innovation in the field. His patents reflect a deep understanding of drug formulation and delivery systems, making him a significant figure in pharmaceutical research.

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]
Loading…