Location History:
- North Plainfield, NJ (US) (1988)
- Scotch Plains, NJ (US) (1994)
Company Filing History:
1 out of 745 
1 out of 3,345 
Years Active: 1988-1994
Title: The Innovative Journey of Utpal K Chakrabarti
Introduction
Utpal K Chakrabarti is a prolific inventor located in Scotch Plains, NJ, USA. With a remarkable record of two patents, his contributions significantly impact the fields of optics and laser technology. Chakrabarti's innovative work showcases his commitment to advancing technology and enhancing the performance of optical devices.
Latest Patents
Utpal K Chakrabarti holds two notable patents. The first patent is for a method of making an InP-based DFB laser, which reveals a technique to reliably mitigate or substantially prevent the erosion of the grating during the overgrowth process. This innovative method involves contacting the grating with a sulfur-containing aqueous medium prior to overgrowth, specifically a mixture consisting of 80 parts by weight H₂O and 20 parts by weight ammonium sulfide. The second patent revolves around a device that includes a surface coating aimed at passivation or anti-reflection, along with its manufacturing method. This coating comprises ZrO₂ doped with yttrium, magnesium, or calcium, and the deposition is preferably achieved via electron-beam evaporation from a single crystal source of ZrO₂ and Y₂O₃, MgO, or CaO.
Career Highlights
Throughout his career, Utpal K Chakrabarti has contributed his expertise to several pioneering companies. He has worked with American Telephone & Telegraph Co., as well as AT&T Bell Laboratories, renowned for their influence in telecommunications and technological advancements. These experiences have allowed him to hone his skills and contribute to significant innovations within the industry.
Collaborations
Chakrabarti's journey is not solitary; he has collaborated with esteemed colleagues such as Aland K Chin and George J Przybylek. These collaborations have fostered a creative environment for brainstorming and developing cutting-edge solutions, reflecting the collaborative spirit that drives innovation.
Conclusion
Utpal K Chakrabarti's contributions to the fields of optics and laser technology exemplify the essence of innovation. With an impressive portfolio of patents and a career marked by collaboration and excellence, he remains a significant figure in advancing and shaping future technologies. As he continues his journey, the impact of his work will undoubtedly be felt across various applications in the years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.