Location History:
- Stockholm, SE (1988)
- Tyresö, SE (2001 - 2021)
- Tyreso, SE (1989 - 2023)
Company Filing History:
10 out of 25,668 
3 out of 11 
2 out of 11 
Years Active: 1988-2023
Title: The Innovations of Per O Granestrand: A Pioneer in Optical Technology
Introduction
Per O Granestrand, a prominent inventor based in Tyreso, Sweden, has made significant contributions to the field of optical technology. With a remarkable portfolio of 16 patents, Granestrand is known for his cutting-edge innovations that have paved the way for advancements in laser and optical devices. His work reflects a deep understanding of semiconductor technology and its practical applications.
Latest Patents
Among Granestrand's latest inventions is the Tunable Semiconductor Laser Device. This sophisticated device features front and back Distributed Bragg Reflectors (DBRs) coupled to electrodes and an interferometer. The innovative design enables the formation of tunable multi-peak lasing filters, enhancing the device's utility in various applications.
Another notable patent is the Optical Device and Method for Controlling Such a Device. This optical device includes a light input, modulating means, and an output, along with an optical amplification device composed of serially connected post Semiconductor Optical Amplifier (SOA) units. The arrangement allows for precise control over light amplification, showcasing his engineering finesse and ability to address complex challenges in optical communications.
Career Highlights
Granestrand's career encompasses invaluable experience at leading companies in the telecommunications and optical fields. He has worked for Telefonaktiebolaget Lm Ericsson (publ), where he refined his skills in optical technologies and innovation. Additionally, his tenure at Syntune AB allowed him to further develop his expertise in semiconductor technologies, contributing to his patent portfolio.
Collaborations
Throughout his career, Granestrand has collaborated with talented individuals in the field. Notably, he has worked alongside Jan-Olof Wesstrom and Dave Adams, both of whom have made significant contributions to the advancement of optical technologies. These collaborations have enriched his work and allowed for the cross-pollination of ideas that drive innovation forward.
Conclusion
Per O Granestrand stands as a notable figure in the realm of optical inventions. His commitment to innovation is evident through his extensive patent portfolio, innovative designs, and collaborations with industry leaders. As technologies continue to evolve, Granestrand's contributions will undoubtedly play a critical role in shaping the future of optical applications and semiconductor technologies.
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.