This inventor holds 77 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in VCSEL Technology (CPC class H01S). Top assignees: Finisar Corporation, Honeywell G.m.b.h., Honeywell International Inc.. Active years: 1992-2018.
Inventors with similar research interests:
Location History:
- Plano, TX (US) (1992 - 2009)
- Allen, TX (US) (2010 - 2012)
- Murphy, TX (US) (1996 - 2018)
Company Filing History:
57 out of 1,430 
13 out of 3,646 
5 out of 16,014 
Years Active: 1992-2018
Areas of Expertise:
Title: Celebrating the Innovations of Ralph Herbert Johnson
Introduction: Ralph Herbert Johnson, based in Murphy, TX, has made significant contributions to the field of semiconductor technology, holding an impressive total of 77 patents. His inventive work primarily focuses on improving the efficiency and functionality of devices such as vertical-cavity surface-emitting lasers (VCSELs) and electro-absorption modulators.
Latest Patents: Ralph's latest patents showcase his dedication to advancing technology. One notable patent is for the "Passivation of VCSEL sidewalls," which describes a semiconductor structure designed for integration in VCSEL or RCLED devices. This innovative structure features an oxidizing layer that can create an oxide aperture during lithography, with added passivation material to prevent oxidation of adjacent layers. Another significant patent is for the "Temperature insensitive integrated electro-absorption modulator and laser." This apparatus includes a laser capable of emitting light while incorporating a modulator that effectively varies the output based on temperature fluctuations—improving reliability across varying operational conditions.
Career Highlights: Ralph has made substantial strides in his career by working with leading companies in the technology sector, including Finisar Corporation and Honeywell G.m.b.h. His imaginative work has laid the groundwork for advancements in semiconductor devices and has significantly impacted the practical applications of laser technology.
Collaborations: Throughout his career, Ralph has collaborated with esteemed colleagues, including James Kenneth Guenter and James Robert Biard. These collaborations have fostered an environment of innovation, allowing for the sharing of ideas and the development of groundbreaking technologies.
Conclusion: Ralph Herbert Johnson's contributions to patentable inventions in the semiconductor industry highlight his importance as an inventor. With 77 patents to his name, his latest innovations continue to push the boundaries of technology, enhancing the capabilities of lasers and electro-absorption modulators. His noteworthy achievements affirm his status as a leading figure in his field.