Location History:
- Hiratsuka, JP (2015 - 2016)
- Kanagawa, JP (2013 - 2019)
Company Filing History:
5 out of 2,248 
4 out of 139 
1 out of 6 Years Active: 2013-2019
Title: Takahiko Sumino: Innovator in Polyamide and Thermoplastic Resin Technologies
Introduction
Takahiko Sumino is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyamide and thermoplastic resin compositions. With a total of 9 patents to his name, Sumino's work has had a substantial impact on various industrial applications.
Latest Patents
One of Sumino's latest patents is a polyamide resin composition that includes a polyamide containing a diamine unit with 70 mol % or more of a p-xylylenediamine unit. This composition also features a dicarboxylic acid unit with 70 mol % or more of a linear aliphatic dicarboxylic acid unit having 6 to 18 carbon atoms. Additionally, the polyamide includes a phosphorus atom concentration of 50 to 1,000 ppm and a YI value of 10 or less in a color difference test according to JIS-K-7105. The filler content in this composition ranges from 1 to 200 parts by mass with respect to 100 parts by mass of the polyamide.
Another notable patent involves a thermoplastic resin composition that allows for the successful formation of a plated layer on the surface of a resin molded article. This composition comprises a thermoplastic resin, along with 1 to 30 parts by weight of a laser direct structuring additive and 0.1 to 10 parts by weight of a laser marking additive per 100 parts by weight of the thermoplastic resin. The laser direct structuring additive consists of 70% by weight or more of a tin oxide.
Career Highlights
Throughout his career, Takahiko Sumino has worked with reputable companies such as Mitsubishi Gas Chemical Company, Inc. and Mitsubishi Engineering-Plastics Corporation. His experience in these organizations has allowed him to refine his expertise in resin technologies and contribute to innovative solutions in the industry.
Collaborations
Sumino has collaborated with notable colleagues, including Shun Ogawa and Takahiro Takano. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.
Conclusion
Takahiko Sumino is a distinguished inventor whose work in polyamide and thermoplastic resin technologies