Takayuki Okamura

This inventor holds 10 USPTO granted patents. Top assignees: Kuraray Co., Ltd., Idemitsu Petrochemical Co., Ltd.. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Okamura. Retrieved from https://idiyas.com/inventor/takayuki-okamura-ndmbpn5j

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

Calculating rank

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 7

Forward Citations = 116(Granted Patents)

Location History:

Kurashiki, JA (1976)
Kashima, JA (1976)
Okayama, JP (1983 - 1991)

Company Filing History:

Idemitsu Petrochemical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1976-1991

Loading Chart...

10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5070172 - Process for producing polyurethane (1991-12-03),

2. 4833217 - Polycarbonate resin composition (1989-05-23),

3. 4725483 - Copolyester film and a method for production thereof (1988-02-16),

4. 4657973 - Polycarbonate resin composition (1987-04-14),

5. 4639471 - Process for producing polyester polyurethane (1987-01-27),

6. 4551518 - Process for production of polyurethane (1985-11-05),

7. 4412022 - Polyurethane coating compositions prepared from a polymeric diol, an (1983-10-25),

8. 4367307 - Polyurethane composition having good light resistance (1983-01-04),

9. 3971746 - Synthetic polyisoprene rubber latex (1976-07-27),

10. 3965076 - Process for the production of modified cis-14,-polyisoprene (1976-06-22),

Title: Takayuki Okamura: Innovator in Polyurethane and Polycarbonate Technologies

Introduction

Takayuki Okamura is a prominent inventor based in Okayama, Japan. He has made significant contributions to the fields of polyurethane and polycarbonate resin technologies. With a total of 10 patents to his name, Okamura has established himself as a key figure in innovation.

Latest Patents

Among his latest patents are a process for producing polyurethane and a polycarbonate resin composition. These inventions showcase his expertise and commitment to advancing material science.

Career Highlights

Throughout his career, Okamura has worked with notable companies such as Kuraray Co., Ltd. and Idemitsu Petrochemical Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Okamura has collaborated with esteemed colleagues, including Koji Hirai and Masao Ishii. These partnerships have further enriched his contributions to the industry.

Conclusion

Takayuki Okamura's work in polyurethane and polycarbonate technologies highlights his role as a leading inventor. His numerous patents and collaborations reflect his dedication to innovation and excellence in his field.

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]