This inventor holds 7 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Vlsi Limited. Active years: 1997-2005.
Location History:
- Kasugai, JP (1997 - 2005)
- Aichi, JP (2005)
Company Filing History:
7 out of 39,367 
1 out of 154 
Years Active: 1997-2005
Title: The Innovations of Shoji Okuda
Introduction
Shoji Okuda is a notable inventor based in Kasugai, Japan. He has made significant contributions to the field of technology, particularly in optical switching elements and micro machines. With a total of 7 patents to his name, Okuda's work showcases his expertise and innovative spirit.
Latest Patents
Okuda's latest patents include an "Optical switching element and method for manufacturing the same." This invention involves the formation of lower clads, cores, and upper clads using a chemical vapor deposition method. The process ensures that the cores achieve a higher refractive index than the clads by adjusting the additional amounts of oxygen, nitrogen, and silicon in a silicon oxynitride film. Additionally, end point detectors are integrated to serve as etching stoppers during the dry etching process.
Another significant patent is the "Method for fabricating a micro machine." This method outlines a series of steps, including the burial of an oxide film in a first semiconductor substrate and bonding it to a second semiconductor substrate with an insulation film in between. The process allows for the formation of a torsion bar with a spring portion, which can be fabricated with high yields due to the ease of controlling the thickness of the torsion bar.
Career Highlights
Throughout his career, Okuda has worked with prominent companies such as Fujitsu Corporation and Fujitsu VLSI Limited. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.
Collaborations
Okuda has collaborated with notable coworkers, including Makoto Ohashi and Osamu Tsuboi. These partnerships have likely enriched his work and fostered innovation in his projects.
Conclusion
Shoji Okuda's contributions to technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative methods and dedication to advancing technology continue to inspire future developments.