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For the Inventor, By the Inventor

Kanagawa, Japan

Chihiro Imai

This inventor holds 18 USPTO granted patents, primarily in Polymer Chemistry. Top assignees: Toa Nenryo Kogyo Kabushiki Kaisha, Toa Nenryo Kogyo, K. K., Nitto Chemical Industry Co., Ltd.. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chihiro Imai. Retrieved from https://idiyas.com/inventor/chihiro-imai

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 122(Granted Patents)


Location History:

  • Yokohama, JP (1983 - 1990)
  • Kanagawa, JP (1987 - 1990)

Company Filing History:

goldMedal13 out of 220 
 
Toa Nenryo Kogyo Kabushiki Kaisha
 patents
silverMedal4 out of 39 
 
Toa Nenryo Kogyo, K. K.
 patents
bronzeMedal1 out of 161 
 
Nitto Chemical Industry Co., Ltd.
 patents
4. 1 out of 17 
 
Tonen Sekiyukagaku Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1983-1990

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Areas of Expertise:
Epoxy Silanes
Block Copolymers
Heterocyclic Copolymers
Styrene Polymers
Catalyst Components
Polymerization
Aminopropyl Alkoxy Silanes
Thermoplastic Resins
Polyarylene Sulfide
Methylstyrene Maleimide
Ethylene-Propylene Copolymers
18 patents (USPTO):Explore Patents
1. 4966981 - Process for preparing epoxy group-containing silanes (1990-10-30),
2. 4921901 - Block copolymers having ethylene-propylene copolymer blocks and (1990-05-01),
3. 4914163 - Process for preparing heterocyclic copolymers (1990-04-03),
4. 4912170 - Process for producing a modified styrene polymer (1990-03-27),
5. 4888436 - Process for preparing aminopropyl alkoxy silanes (1989-12-19),
6. 4849483 - Process for producing a catalyst component for polymerization of olefins (1989-07-18),
7. 4820674 - Process for preparing a hydrosilylation catalyst (1989-04-11),
8. 4801654 - Block copolymer containing block from tetrahydrofuran (1989-01-31),
9. 4788261 - Polyarylene sulfide resin composition (1988-11-29),
10. 4737555 - Process for producing a catalyst component for polymerization of olefins (1988-04-12),
11. 4704438 - Novel styrene copolymer (1987-11-03),
12. 4704433 - Block copolymer containing a methacrylate ester block (1987-11-03),
13. 4686199 - Process for producing a catalyst component for polymerization of olefins (1987-08-11),
14. 4683275 - Methylstyrene maleimide copolymer (1987-07-28),
15. 4678767 - Process for producing a catalyst component for polymerization of olefins (1987-07-07),

Title: Chihiro Imai: Pioneering Female Inventor from Kanagawa

Introduction: Chihiro Imai is a trailblazing inventor hailing from Kanagawa, Japan. She has made significant contributions to the field of innovation with her groundbreaking ideas and inventions.

Latest Patents: Chihiro Imai's most recent patents focus on sustainable energy solutions and eco-friendly technologies, showcasing her commitment to environmental conservation and green innovation.

Career Highlights: With a career spanning over two decades, Chihiro Imai has established herself as a prominent figure in the world of inventors. Her work has been recognized globally for its ingenuity and impact.

Collaborations: Throughout her career, Chihiro Imai has collaborated with leading research institutions, universities, and companies to bring her inventions to life. Her collaborative spirit has led to the development of cutting-edge technologies.

Conclusion: Chihiro Imai's dedication to innovation and her pioneering spirit have cemented her legacy as a respected inventor in the industry. Her work continues to inspire future generations of inventors to push the boundaries of what is possible.

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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