This inventor holds 5 USPTO granted patents, plus 1 CIPO patent and 4 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2015-2022.
Location History:
- Chiba, JP (2015)
- Pittsburgh, PA (US) (2018 - 2019)
- Phoenix, AZ (US) (2022)
Company Filing History:
Years Active: 2015-2022
Title: Koichiro Tajima: Innovator in Polymer Chemistry
Introduction
Koichiro Tajima is a notable inventor based in Pittsburgh, PA (US). He has made significant contributions to the field of polymer chemistry, holding a total of 5 patents. His work primarily focuses on the development of advanced resin compositions and polymer materials.
Latest Patents
Tajima's latest patents include innovative formulations such as a novolac resin composition. This composition comprises the reaction product of an aldehyde or ketone and aralkyl-substituted resorcinol, where the ratio of aralkyl-substituted resorcinol to total resorcinol is between 0.01:1 and 0.4:1. Another significant patent involves a conjugated diene polymer, which is obtained through a polymerization reaction that includes a conjugated diene and specific compounds like limonene, terpinene, and terpinolene. The resulting polymer exhibits a Z-average molecular weight (Mz) of 1.7 or more and 4.0 or less, measured in terms of polystyrene by gel permeation chromatography.
Career Highlights
Throughout his career, Tajima has worked with prominent companies in the chemical industry. He has been associated with Sumitomo Chemical Company and Sumitomo Chemical Advanced Technologies LLC. His expertise in polymer chemistry has allowed him to contribute to various innovative projects and advancements in material science.
Collaborations
Tajima has collaborated with esteemed colleagues, including David P McNaughton and Tamon Itahashi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of polymer research.
Conclusion
Koichiro Tajima's contributions to polymer chemistry and his innovative patents highlight his role as a significant inventor in the industry. His work continues to influence advancements in material science and resin technology.