Masashi Shitara

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd.. Active years: 1984-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Shitara. Retrieved from https://idiyas.com/inventor/masashi-shitara

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

USPTO Granted Patents = 5 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 43(Granted Patents)

Location History:

Hitachi, JP (1984)
Sodegauramachi, JP (1993)
Chiba, JP (1992 - 1994)

Company Filing History:

4 out of 1,641

Hitachi Chemical Company, Ltd.

Years Active: 1984-1994

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5290876 - Low gloss agents, process for production thereof, low gloss (1994-03-01),

2. 5216076 - Low gloss agents, process for production thereof, low gloss (1993-06-01),

3. 5180786 - Impact modifier, thermoplastic resin composition using the same and (1993-01-19),

4. 5081193 - Low gloss agents, process for production thereof, low gloss (1992-01-14),

5. 4460783 - Ether imides and process for producing the same (1984-07-17),

Title: Masashi Shitara: Innovator in Low Gloss Agents

Introduction

Masashi Shitara is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of low gloss agents. With a total of 5 patents to his name, Shitara's work has had a notable impact on various industries.

Latest Patents

Shitara's latest patents focus on low gloss agents and their production processes. One of his key inventions is a grafted copolymer that contains low cis-polybutadiene with a Mooney viscosity of 30 to 40. This rubber component, when molded, forms non-spherical rubber particles, making it suitable for use in internal and external automotive trims, as well as exterior parts of household electric appliances. His innovative approach to low gloss agents has opened new avenues for applications in various sectors.

Career Highlights

Throughout his career, Masashi Shitara has worked with notable companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.

Collaborations

Shitara has collaborated with esteemed colleagues, including Isamu Hattori and Seizou Mishima. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Masashi Shitara's contributions to the field of low gloss agents exemplify his innovative spirit and dedication to advancing materials science. His patents continue to influence various industries, showcasing the importance of his work in modern technology.

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]

1 patent pending: