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For the Inventor, By the Inventor

Abiko, Japan

Sunao Kyo

This inventor holds 9 USPTO granted patents. Top assignee: Kuraray Co., Ltd.. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sunao Kyo. Retrieved from https://idiyas.com/inventor/sunao-kyo

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Ibaragi, JA (1976 - 1978)
  • Kashima, JP (1978 - 1980)
  • Hasaki, JP (1982 - 1983)
  • Abiko, JP (1985 - 1989)

Company Filing History:

goldMedal9 out of 1,872 
 
Kuraray Co., Ltd.
 patents

Years Active: 1976-1989

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9 patents (USPTO):Explore Patents
1. 4814425 - Novel alternate copolymers (1989-03-21),
2. 4593145 - Process for producing isoprene (1986-06-03),
3. 4511751 - Process for producing isoprene (1985-04-16),
4. 4381416 - Process for producing isoprene (1983-04-26),
5. 4338478 - Process for producing conjugated dienes (1982-07-06),
6. 4224252 - Production of pinacolone (1980-09-23),
7. 4122291 - Method for the production of alken-2-ol-1 or of alken-2-ol-1 and (1978-10-24),
8. 4069261 - Process for the production of polyhydric alcohols (1978-01-17),
9. 3947504 - Separation and recovery of 3-methyl-3-butene-1-ol (1976-03-30),

Title: The Innovative Contributions of Sunao Kyo

Introduction: Sunao Kyo, an accomplished inventor based in Abiko, Japan, has made significant contributions to the field of polymer chemistry. With a total of nine patents to his name, Kyo has demonstrated a commitment to advancing innovative solutions in chemical processes and materials.

Latest Patents: Among his latest patents, Kyo has developed novel alternate copolymers. These copolymers consist of isopentenyl compounds featuring a specific structure, combined with various types of unsaturated compounds. This innovation shows promise for a range of applications in materials science. Another noteworthy invention is a process for producing isoprene, characterized by its high yield. This process involves feeding an alkyl tertiary butyl ether and a formaldehyde source into an acidic aqueous solution, while maintaining appropriate reaction pressure. The continuous or intermittent distillation of byproducts, such as isobutene and tertiary butanol, alongside water, highlights Kyo's ability to optimize complex chemical reactions.

Career Highlights: Sunao Kyo is currently associated with Kuraray Co., Ltd., a prominent company in the broader scope of chemical manufacturing. His contributions within the organization have propelled advancements in polymer technology and organic chemistry.

Collaborations: Throughout his career, Kyo has worked alongside notable colleagues, including Hidetsugu Tanaka and Tsumoru Renge. These collaborations have enriched his research endeavors and fostered an environment of innovation in their respective projects.

Conclusion: Sunao Kyo's work exemplifies the spirit of innovation and dedication to advancing science through his inventions. His latest patents not only contribute to the field of polymer chemistry but also pave the way for new applications and technologies in manufacturing. As a key figure at Kuraray Co., Ltd., Kyo continues to influence the landscape of chemical engineering and materials science through his innovative contributions.

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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