IDiyas

For the Inventor, By the Inventor

Joetsu, Japan

Miyoshi Yamashita

USPTO Granted Patents = 28 

 

Average Co-Inventor Count = 2.8

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Niigata-ken, JP (2015)
  • Niigata, JP (2020 - 2022)
  • Joetsu, JP (2009 - 2023)

Company Filing History:

goldMedal28 out of 5,966 
 
Shin-etsu Chemical Co., Ltd.
 patents

Years Active: 2009-2023

where 'Filed Patents' based on already Granted Patents

28 patents (USPTO):
1. 11840511 - Haloacetaldehyde alkyl 2-cyclopentenyl acetal compound and a process for preparing the same, a process for preparing a (2-cyclopentenyl)acetate ester compound therefrom, and a process for preparing a (2-cyclopentenyl)acetic acid compound therefrom (2023-12-12),
2. 11746078 - Kinetic resolution reaction of a (1RS,2SR)-(2-hydroxy-3,5,5-trimethyl-3-cyclopentenyl)methyl carboxylate compound, a process for preparing optically active trans-α-necrodyl isobutyrate, and a process for preparing optically active γ-necrodyl isobutyrate (2023-09-05),
3. 11731930 - Processes for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound and (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde (2023-08-22),
4. 11518729 - Processes for preparing 5,5-dimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds and 3,5,5-trimethyl-2-oxo-3-cyclopentene-1-carboxylate compounds from 3,3-dimethyl-1-butene-1,4-dicarboxylate compounds and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds, and 1,3,3-trimethyl-1-butene-1,4-dicarboxylate compounds (2022-12-06),
5. 11420919 - Process for preparing a formylalkenyl alkoxymethyl ether compound and processes for preparing conjugated diene compounds from the same (2022-08-23),
6. 11384041 - Process for preparing an alkoxymethyl alkynyl ether compound having a terminal triple bond (2022-07-12),
7. 11286227 - Processes for preparing 2-isopropenyl-5-methyl-4-hexenoic acid, 2-isopropenyl-5-methyl-4-hexen-1-ol, and a carboxylate ester thereof (2022-03-29),
8. 10815504 - Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene (2020-10-27),
9. 10781194 - Process for preparing (E2)-cis-6,7-epoxy-2-nonenal (2020-09-22),
10. 10730817 - Process for preparing (E2,Z6)-2,6-nonadienal (2020-08-04),
11. 10182566 - Sustained release pheromone preparation of vine mealybug and control method using the preparation (2019-01-22),
12. 10138189 - Methods for producing 2,6-dimethyl-1,5-heptadien-3-ol and 2,6-dimethyl-1,5-heptadien-3-yl acetate (2018-11-27),
13. 10081820 - Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene (2018-09-25),
14. 9919994 - Alpha-halotetramethycyclohexanone, a method for the preparation thereof, and a method for the preparation of a (2,3,4,4-tetramethylcyclopentyl)methy carboxylate compound (2018-03-20),
15. 9845304 - Method for producing asymmetric conjugated diyne compound and method for producing Z,Z-conjugated diene compound using the same (2017-12-19),

Title: Innovations and Contributions of Miyoshi Yamashita

Introduction

Miyoshi Yamashita is a notable inventor from Joetsu, Japan, renowned for his significant contributions to the field of chemical compounds. With an impressive portfolio of 28 patents, he has demonstrated a profound ability to innovate and develop new processes in chemistry, particularly involving cyclopentenyl compounds.

Latest Patents

Yamashita's latest patents reflect his expertise in synthesizing complex chemical structures. These include the patent for "Haloacetaldehyde alkyl 2-cyclopentenyl acetal compound and a process for preparing the same." This process involves subjecting a specialized compound to a dehydrohalogenation reaction in the presence of a base, followed by a rearrangement reaction to form a (2-cyclopentenyl)acetate ester compound. Furthermore, he has developed a method for hydrolyzing this ester to produce a (2-cyclopentenyl)acetic acid compound. Another notable patent involves a kinetic resolution reaction of a (1RS,2SR)-(2-hydroxy-3,5,5-trimethyl-3-cyclopentenyl)methyl carboxylate compound, where he outlines a process to prepare optically active trans-α-necrodyl isobutyrate and optically active γ-necrodyl isobutyrate.

Career Highlights

Yamashita is currently affiliated with Shin-Etsu Chemical Co., Ltd., a leading player in the chemical industry. His innovative work in the field has not only contributed to his company but has also paved the way for advancements in chemical processes and materials.

Collaborations

Throughout his career, Yamashita has collaborated with notable coworkers, including Takeshi Kinsho and Yuki Miyake. These partnerships have yielded remarkable results in their shared pursuit of innovative chemical solutions and inventions.

Conclusion

Miyoshi Yamashita's contributions to the field of chemistry through his patents and processes signify his role as an influential inventor. His work continues to inspire advancements in the industry, highlighting the importance of innovation and collaboration in the realm of scientific discovery.

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