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For the Inventor, By the Inventor

Ube, Japan

Haruhiko Miyazaki

This inventor holds 10 USPTO granted patents. Top assignees: Ube Industries, Inc., Uise Industries, Ltd.. Active years: 1979-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhiko Miyazaki. Retrieved from https://idiyas.com/inventor/haruhiko-miyazaki

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 5

Forward Citations = 62(Granted Patents)


Company Filing History:

goldMedal9 out of 1,432 
 
Ube Industries, Inc.
 patents
silverMedal1 out of 1 
 
Uise Industries, Ltd.
 patent

Years Active: 1979-1987

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10 patents (USPTO):Explore Patents
1. 4647551 - For producing ethylene glycol and/or a glycolic acid ester, catalyst (1987-03-03),
2. 4585890 - Process for producing ethylene glycol and/or glycolic acid ester, (1986-04-29),
3. 4551565 - Process for the production of ethylene glycol and/or glycollic acid (1985-11-05),
4. 4511744 - Process for producing lower alkylene glycol, catalyst composition used (1985-04-16),
5. 4507494 - Process for the production of a diester of oxalic acid (1985-03-26),
6. 4440873 - Process for producing ethylene glycol and/or glycolic acid ester, (1984-04-03),
7. 4410722 - Process for preparing oxalic acid diesters using platinum group metals (1983-10-18),
8. 4409395 - Process for the production of glycollic acid esters (1983-10-11),
9. 4384133 - Process for the preparation of oxalic acid diesters (1983-05-17),
10. 4165328 - Process for separating 11-cyanoundecanoic acid, cyclohexanone and .epsilon. (1979-08-21),

Title: Haruhiko Miyazaki: Innovator in Ethylene Glycol Production

Introduction

Haruhiko Miyazaki is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of ethylene glycol and glycolic acid esters. With a total of 10 patents to his name, his work has had a substantial impact on the industry.

Latest Patents

Miyazaki's latest patents focus on innovative methods for producing ethylene glycol and glycolic acid esters. One of his notable inventions involves a hydrogenation catalyst composition that is useful for the hydrogenation of an oxalate diester. This composition is composed of a reduction product of a copper-containing silica gel formed by contacting an amine complex of copper with silica gel. This process allows for the efficient production of ethylene glycol and glycolic acid esters from oxalate diesters, achieving high conversions and selectivities while avoiding pollution associated with chromium-containing catalysts.

Career Highlights

Throughout his career, Haruhiko Miyazaki has worked with reputable companies such as Ube Industries, Inc. and Uise Industries, Ltd. His expertise in chemical processes has led to advancements in the production methods used in these organizations. His innovative approaches have contributed to the development of more sustainable and efficient chemical production techniques.

Collaborations

Miyazaki has collaborated with notable colleagues in his field, including Koichi Hirai and Taizo Uda. These partnerships have fostered a collaborative environment that has enhanced the research and development of new technologies in chemical engineering.

Conclusion

Haruhiko Miyazaki's contributions to the field of chemical engineering, particularly in the production of ethylene glycol and glycolic acid esters, demonstrate his innovative spirit and commitment to sustainability. His work continues to influence the industry and pave the way for future advancements.

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]
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