Chiba, Japan

Masami Tomikawa

This inventor holds 8 USPTO granted patents. Top assignees: Idemitsu, Kosan Kabushiki-Kaisha (Idemitsu Kosan Co., Ltd.), Idemitsu Kosan Company, Limited. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Tomikawa. Retrieved from https://idiyas.com/inventor/masami-tomikawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 169(Granted Patents)


Location History:

  • Chiba, JA (1976 - 1977)
  • Sodegaura, JA (1977)
  • Sodegaura, JP (1978)

Company Filing History:


Years Active: 1976-1978

Loading Chart...
8 patents (USPTO):Explore Patents

Title: Masami Tomikawa: Innovator in Thermoplastic Resin Technology

Introduction

Masami Tomikawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of 8 patents. His innovative work has led to advancements in materials suitable for various applications, particularly in molding processes.

Latest Patents

Tomikawa's latest patents include a thermoplastic resin composition suitable for extrusion molding. This composition comprises a blend of 90 to 30 weight percent of thermoplastic resin and 10 to 70 weight percent of inorganic filler, along with a modifier selected from sorbitan fatty acid esters and polyoxyethylene sorbitan fatty acid esters. The modifier is used in an amount of 0.1 to 5 parts by weight based upon 100 parts by weight of the blend. Another significant patent is for a molding material that exhibits superior buffering character, moldability, and dimensional stability. This material is created by incorporating a copolymer predominantly composed of polyethylene or ethylene with an inorganic filler blend, which includes sand with an average particle size of 100 to 500 microns and calcium sulfite. The resulting composition can be foamed and pressed against a smooth cool solid surface to create a molded product with a lustrous and beautiful superficial coating. This molding material is particularly useful for applications such as packings, mattresses, and lightweight construction materials.

Career Highlights

Throughout his career, Masami Tomikawa has worked with several prominent companies, including Idemitsu Kosan Co., Ltd. His experience in these organizations has allowed him to refine his expertise in thermoplastic materials and contribute to various innovative projects.

Collaborations

Tomikawa has collaborated with notable individuals in his field, including Hideo Ohkawa and Yutaka Mugino. These collaborations have further enhanced his work and led to the development of advanced materials.

Conclusion

Masami Tomikawa's contributions to thermoplastic resin technology have made a significant impact in the industry. His innovative patents and collaborations reflect his dedication to advancing material science.

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]
Loading…