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For the Inventor, By the Inventor

Hyogo, Japan

Shiro Minayoshi

USPTO Granted Patents = 12

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 91(Granted Patents)


Location History:

  • Akashi, JP (1988 - 1996)
  • Hyogo, JP (1998 - 2003)

Company Filing History:

goldMedal12 out of 35 
 
Maruo Calcium Company Limited
 patents

Years Active: 1988-2003

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12 patents (USPTO):Explore Patents
1. 6663948 - Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition (2003-12-16),
2. 6372832 - Glycol dispersion of inorganic powder, process for producing the same, and polyester composition containing the dispersion (2002-04-16),
3. 6287530 - Synthetic resin additive and synthetic resin composition containing particles of porous hydroxyapatite (2001-09-11),
4. 6254905 - Food additive slurry or powder composition and food composition containing same and method of making (2001-07-03),
5. 5976687 - Additive for synthetic resins and a synthetic resin composition (1999-11-02),
6. 5844022 - Additive for synthetic resins and synthetic resin compositions (1998-12-01),
7. 5494651 - Method for manufacturing monodisperse vaterite type calcium carbonate (1996-02-27),
8. 5288784 - Polyester composition containing vaterite-type calcium carbonate (1994-02-22),
9. 5275651 - Monodisperse vaterite type calcium carbonate, its manufacturing method (1994-01-04),
10. 5085800 - Glycol dispersion of precipitated calcium carbonate (1992-02-04),
11. 5000871 - Gycol dispersion of calcium carbonate (1991-03-19),
12. 4725318 - Filler for paper-making and neutral paper-making process by the use (1988-02-16),

Title: Shiro Minayoshi: Innovator in Synthetic Resin Technology

Introduction

Shiro Minayoshi is a prominent inventor based in Hyogo, Japan, known for his significant contributions to the field of synthetic resin technology. With a total of 12 patents to his name, Minayoshi has developed innovative solutions that enhance the properties of synthetic resins, making them more efficient and effective for various applications.

Latest Patents

Among his latest patents, Minayoshi has introduced an additive comprising porous calcium phosphate for synthetic resins. This additive consists of composite particles created by depositing a calcium phosphate compound on support particles with a petaloid porous structure. The resulting synthetic resin compositions exhibit excellent transparency, anti-scratch properties, anti-blocking characteristics, and reduced discoloration due to resin deterioration. Another notable patent involves a glycol dispersion of inorganic powder, which includes glycol and an inorganic powder that is surface-treated with a dispersant. This innovation allows for the transportation of the material in powder form, enhancing efficiency and simplifying production steps, ultimately leading to cost reductions.

Career Highlights

Shiro Minayoshi is currently associated with Maruo Calcium Company Limited, where he continues to push the boundaries of synthetic resin technology. His work has not only contributed to the advancement of materials science but has also positioned his company as a leader in the industry.

Collaborations

Minayoshi collaborates with talented individuals such as Minoru Hanazaki and Hidehiko Nishioka, who contribute to the innovative environment at Maruo Calcium Company Limited. Their combined expertise fosters a culture of creativity and advancement in synthetic resin applications.

Conclusion

Shiro Minayoshi's innovative work in synthetic resin technology has led to significant advancements in the field, showcasing his dedication to improving material properties and production efficiency. His contributions continue to influence the industry positively.

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