Shuji Sakamoto

This inventor holds 11 USPTO granted patents. Top assignees: Idemitsu Kosan Company, Limited, Dow Corning Toray Silicone Company Limited. Active years: 1990-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuji Sakamoto. Retrieved from https://idiyas.com/inventor/shuji-sakamoto

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 = 2.5

ph-index = 6

Forward Citations = 106(Granted Patents)

Location History:

Chiba, JP (1990 - 1996)
Sodegaura, JP (1990 - 2000)

Company Filing History:

11 out of 2,283

Idemitsu Kosan Company, Limited

patents

1 out of 523

Dow Corning Toray Silicone Company Limited

patents

where one patent can have more than one assignee

Years Active: 1990-2000

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6136521 - Polycarbonate, and molding and electrophotographic photoreceptor (2000-10-24),

2. 6043334 - Polycarbonate resin, crosslinked polycarbonate resin and (2000-03-28),

3. 5561017 - Polyester polymer, production thereof and electrophotographic (1996-10-01),

4. 5521041 - Polycarbonate, method of preparing the same and electrophotographic (1996-05-28),

5. 5506331 - Polyester polymer, production thereof and electrophotographic (1996-04-09),

6. 5389444 - Organic electroluminescence device (1995-02-14),

7. 5213924 - Electrophotographic photoreceptor containing polycarbonate resin as (1993-05-25),

8. 5151531 - Dihydric phenols (1992-09-29),

9. 4985326 - Electrophotographic photoreceptor (1991-01-15),

10. 4923962 - Optical disk substrate comprising aromatic polycarbonate (1990-05-08),

11. 4892924 - Polycarbonate containing compound from bis(3-phenyl-4-hydroxyphenyl) (1990-01-09),

Title: The Innovative Contributions of Shuji Sakamoto

Introduction

Shuji Sakamoto is a prominent inventor based in Sodegaura, Japan. He has made significant contributions to the field of materials science, particularly in the development of polycarbonate and electrophotographic photoreceptors. With a total of 11 patents to his name, Sakamoto's work has had a lasting impact on various industries.

Latest Patents

Among his latest patents are innovations related to polycarbonate resin and crosslinked polycarbonate resin. These advancements have enhanced the performance and applications of polycarbonate materials in various sectors.

Career Highlights

Sakamoto has had a distinguished career, working with notable companies such as Idemitsu Kosan Company, Limited and Dow Corning Toray Silicone Company Limited. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking projects.

Collaborations

Throughout his career, Sakamoto has collaborated with talented individuals, including Tomohiro Nagao and Hironobu Morishita. These partnerships have fostered innovation and have been instrumental in the success of his projects.

Conclusion

Shuji Sakamoto's contributions to the field of materials science and his impressive portfolio of patents highlight his role as a leading inventor. His work continues to influence the development of advanced materials and 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]