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For the Inventor, By the Inventor

Tokyo, Japan

Yoshio Imai

This inventor holds 13 USPTO granted patents. Top assignees: Central Glass Company, Limited, Showa Shell Sekiyu Kabushiki Kaisha, Tosoh Corporation. Active years: 1983-1995.

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

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 207(Granted Patents)


Location History:

  • Suginami-Ku, Tokyo, JP (1983 - 1988)
  • Ota-ku, Tokyo, JP (1990)
  • Tokyo, JP (1989 - 1995)

Company Filing History:

goldMedal2 out of 1,010 
 
Central Glass Company, Limited
 patents
silverMedal2 out of 36 
 
Showa Shell Sekiyu Kabushiki Kaisha
 patents
bronzeMedal2 out of 922 
 
Tosoh Corporation
 patents
4. 1 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
5. 1 out of 499 
 
Mitsubishi Kasei Corporation
 patents
6. 1 out of 28,940 
 
Ricoh Company, Ltd.
 patents
7. 1 out of 10,904 
 
Tokyo Electron Limited
 patents
8. 1 out of 209 
 
Tomoegawa Paper Co., Inc.
 patents
9. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-1995

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13 patents (USPTO):Explore Patents
1. 5451339 - Liquid crystal monomeric compound and liquid crystal polymer compound (1995-09-19),
2. 5342895 - Block copolymer and method of producing the same (1994-08-30),
3. 5218081 - Method of producing aromatic polythiazole (1993-06-08),
4. 4954685 - Heating furnace for semiconductor wafers (1990-09-04),
5. 4948864 - Catalytic method for manufacturing aromatic polyester resin from (1990-08-14),
6. 4946989 - Optically active compound (1990-08-07),
7. 4939214 - Film comprised of at least one monomolecular layer and process for its (1990-07-03),
8. 4937313 - Method for manufacturing polyamide resin from unsaturated bis-amide and (1990-06-26),
9. 4921728 - Process of making a liquid crystal element (1990-05-01),
10. 4820793 - Method of preparing aromatic polyamides and polybenzoxazoles (1989-04-11),
11. 4806618 - Aromatic polyethers having biphenylfluorene group (1989-02-21),
12. 4740263 - Process for preparing thin film and p-type diamond semiconductor (1988-04-26),
13. 4393434 - Capacitance humidity sensor (1983-07-12),

Title: Innovations of Yoshio Imai

Introduction

Yoshio Imai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 13 patents. His work focuses on developing advanced materials that enhance the performance of electro-optical devices.

Latest Patents

Imai's latest patents include a liquid crystal monomeric compound and a liquid crystal polymer compound. The liquid crystal monomeric compound is designed to exhibit a liquid crystal phase that is excellent in alignment control, film-formability, durability, heat-stability, and compatibility. This compound is applicable to electro-optical liquid crystal elements and recording elements. Additionally, he has developed a block copolymer and a method for producing it, which is useful in various applications, including adhesive films.

Career Highlights

Throughout his career, Yoshio Imai has worked with notable companies, including Central Glass Company, Limited. His innovative approaches have led to advancements in materials science, particularly in the development of liquid crystal technologies.

Collaborations

Imai has collaborated with several professionals in his field, including Masaaki Kakimoto and Masa-aki Kakimoto. These collaborations have contributed to the success of his inventions and patents.

Conclusion

Yoshio Imai's contributions to liquid crystal technology and his impressive portfolio of patents highlight his role as a leading inventor in the field. His work continues to influence advancements in electro-optical applications.

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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