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For the Inventor, By the Inventor

Sodegaura, Japan

Seiichiro Yokoyama

This inventor holds 11 USPTO granted patents. Top assignee: Idemitsu Kosan Company, Limited. Active years: 1991-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichiro Yokoyama. Retrieved from https://idiyas.com/inventor/seiichiro-yokoyama

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 104(Granted Patents)


Location History:

  • Chiba, JP (1992 - 1993)
  • Sodegaura, JP (1991 - 1995)

Company Filing History:

goldMedal11 out of 2,283 
 
Idemitsu Kosan Company, Limited
 patents

Years Active: 1991-1995

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11 patents (USPTO):Explore Patents
1. 5378274 - Color filter, method for manufacture thereof and liquid crystal (1995-01-03),
2. 5248576 - Method of producing color filter using a micellar disruption method (1993-09-28),
3. 5203974 - Process for producing thin films (1993-04-20),
4. 5185074 - Process for producing color filter (1993-02-09),
5. 5169672 - Process for producing thin films and color filters (1992-12-08),
6. 5135637 - Eerrocene derivatives, surfactants containing same and process for (1992-08-04),
7. 5135619 - Process for producing organic thin films (1992-08-04),
8. 5122247 - Process for producing thin films (1992-06-16),
9. 5110964 - Process for producing ferrocenoyl derivatives (1992-05-05),
10. 5041582 - Novel ferrocene derivatives, surfactants containing same and process for (1991-08-20),
11. 5015748 - Novel ferrocene derivatives, surfactants containing same and a process (1991-05-14),

Title: Seiichiro Yokoyama: Innovator in Liquid Crystal Technology

Introduction

Seiichiro Yokoyama is a prominent inventor based in Sodegaura, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 11 patents. His work has been instrumental in advancing the capabilities of color filters and their manufacturing processes.

Latest Patents

Yokoyama's latest patents include innovative methods for producing color filters. One notable patent is focused on a method for manufacturing color filters using a micellar disruption method. This advancement has the potential to enhance the efficiency and quality of liquid crystal displays.

Career Highlights

Yokoyama is currently employed at Idemitsu Kosan Company, Limited, where he continues to push the boundaries of technology in his field. His expertise and dedication have earned him recognition among his peers and within the industry.

Collaborations

Throughout his career, Yokoyama has collaborated with notable colleagues, including Mitsuru Eida and Yoshio Hiroi. These partnerships have fostered a creative environment that has led to numerous innovations in liquid crystal technology.

Conclusion

Seiichiro Yokoyama's contributions to the field of liquid crystal technology are noteworthy. His innovative patents and collaborations reflect his commitment to advancing this important area of research. His work continues to influence the development of modern display technologies.

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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