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For the Inventor, By the Inventor

Akashi, Japan

Shozaburo Imai

This inventor holds 7 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1977-1992.

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

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 126(Granted Patents)


Location History:

  • Ibaragi, JA (1977)
  • Akashi, JP (1982)
  • Niihama, JP (1988)
  • Toyonaka, JP (1989 - 1992)

Company Filing History:

goldMedal7 out of 6,960 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1977-1992

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7 patents (USPTO):Explore Patents
1. 5135791 - Optical device (1992-08-04),
2. 4812345 - Optical disk substrate (1989-03-14),
3. 4785053 - Optical resin material having improved birefringence (1988-11-15),
4. 4316004 - Process for producing oxybenzoyl copolyesters (1982-02-16),
5. 4313870 - Process for producing polycondensates (1982-02-02),
6. 4311823 - Process for producing aromatic polyesters (1982-01-19),
7. 4001159 - Aqueous dispersion of olefin-acrylate copolymer (1977-01-04),

Title: The Innovations of Shozaburo Imai

Introduction

Shozaburo Imai is a notable inventor based in Akashi, Japan. He has made significant contributions to the field of optical devices, holding a total of 7 patents. His work reflects a deep understanding of polymer chemistry and optical engineering.

Latest Patents

Imai's latest patents include an innovative optical device that comprises a mixture of a polymer mainly constituted of aromatic vinyl monomer units and polyphenylene ether. This device is characterized by the average molecular weight of the polyphenylene ether, which ranges from 0.3 to 0.7, as expressed in terms of the intrinsic viscosity measured in chloroform at 25 degrees Celsius. Another significant patent is for an optical disk substrate, which consists of a copolymer produced by polymerizing 50 to 65% by weight of methyl methacrylate units, 20 to 35% by weight of tricyclo[5.2.1.0^2.6]deca-8-yl methacrylate units, 5 to 25% by weight of cyclohexyl methacrylate units, and 1 to 5% by weight of acrylic ester units.

Career Highlights

Shozaburo Imai is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate and develop new technologies. His expertise in optical materials has positioned him as a key player in the industry.

Collaborations

Imai has collaborated with notable colleagues such as Michihisa Isobe and Haruo Suzuki, contributing to various projects that enhance the capabilities of optical devices.

Conclusion

Shozaburo Imai's work in the field of optical devices showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving optical materials and their applications in various industries.

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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