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For the Inventor, By the Inventor

Yokohama, Japan

Isao Koga

This inventor holds 8 USPTO granted patents. Top assignee: Chisso Corporation. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Koga. Retrieved from https://idiyas.com/inventor/isao-koga

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 48(Granted Patents)


Location History:

  • Yokohama, JA (1976)
  • Sakurashi, JP (1981)
  • Yokohamashi, JP (1980 - 1982)

Company Filing History:

goldMedal8 out of 1,109 
 
Chisso Corporation
 patents

Years Active: 1976-1982

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8 patents (USPTO):Explore Patents
1. 4309558 - Method for producing substituted dichlorosilane (1982-01-05),
2. 4297499 - Novel disubstituted dichlorosilane and method for producing same (1981-10-27),
3. 4292433 - Method for producing 3-chloropropyltrichlorosilane (1981-09-29),
4. 4269993 - Diaralkyldichlorosilanes (1981-05-26),
5. 4242272 - Substituted phenethyldichlorosilanes and method for producing same (1980-12-30),
6. 4211704 - Method for producing 2,3,3-trimethylindolenine (1980-07-08),
7. 3966822 - Catalytic preparation of ketones from aldehydes (1976-06-29),
8. 3944622 - Method for producing ketones (1976-03-16),

Title: The Innovative Contributions of Isao Koga

Introduction

Isao Koga, an esteemed inventor based in Yokohamashi, Japan, has made significant contributions to the field of chemical engineering. With a portfolio of eight patents, Koga has demonstrated his expertise in developing innovative methods for producing chemical compounds essential for various applications in silicone resin production.

Latest Patents

Among his recent inventions, Koga has developed a method for producing substituted dichlorosilane. This innovative process allows for the selective creation of mono-substituted dichlorosilanes from dichlorosilane, utilizing specific catalysts such as homogeneous complexes of ruthenium, rhodium, nickel, platinum, or ruthenium chloride. Furthermore, he has crafted novel disubstituted dichlorosilane compounds that have distinct substituents and are critical monomers for producing specialty silicone resin, along with a method that minimizes by-products during their production.

Career Highlights

Koga is currently associated with Chisso Corporation, a firm known for its technological advancements and commitment to innovation. His work there has solidified his reputation as a leading inventor in the domain of silicon chemistry and materials science.

Collaborations

In his career, Koga has collaborated closely with notable coworkers Yohji Terui and Masuhito Ohgushi. Through their joint efforts, they have contributed to several groundbreaking advancements in chemical production processes.

Conclusion

Isao Koga's inventive spirit and dedication to chemical innovation have significantly impacted the industry. With his recent patents leading the way for enhanced production methods, Koga continues to pave the path for future developments in silicone materials, underscoring the importance of innovation in modern technology.

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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