Company Filing History:
3 out of 16,338 
1 out of 832,880 Years Active: 1994-2002
Title: The Innovations of Karuppiah Chandrasekaran
Introduction
Karuppiah Chandrasekaran is a notable inventor based in Sayre, PA (US). He has made significant contributions to the field of inkjet technology, holding a total of 4 patents. His work focuses on improving the durability and performance of inkjet print heads.
Latest Patents
Chandrasekaran's latest patents include innovative designs for inkjet heads that incorporate a photoresist layer containing poly(amic acid). This advancement enhances the durability of inkjet print heads by utilizing a photoresist layer prepared from at least one dianhydride and at least one aliphatic diamine. Another significant patent involves an inkjet print head photoresist layer that features durable adhesion. This design consists of a sandwich structure of a top plate, a bottom plate, and a dry film photoresist intermediate layer that defines liquid pathways and discharge orifices. The photoresist layer in this patent contains a phosphorus compound with substituted or unsubstituted alkyl or aryl groups having 6 to 10 carbons, resulting in excellent ink resistance and durable bonds to the print head plates.
Career Highlights
Throughout his career, Chandrasekaran has worked with prominent companies, including E.I. du Pont de Nemours and Company. His expertise in inkjet technology has positioned him as a key figure in the development of advanced printing solutions.
Collaborations
Chandrasekaran has collaborated with notable coworkers such as Mark R. McKeever and James William O'Neil. Their combined efforts have contributed to the advancements in inkjet technology and the successful development of innovative patents.
Conclusion
Karuppiah Chandrasekaran's contributions to inkjet technology through his patents and collaborations highlight his significant role in the field. His work continues to influence the development of more durable and efficient printing solutions.