Company Filing History:
Years Active: 1988-1993
Title: Innovations of Tatsuyuki Sanada
Introduction
Tatsuyuki Sanada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work has been influential in advancing the capabilities of optical devices.
Latest Patents
One of his latest patents is a semiconductor device having flip chip bonding pads matched with pins. This semiconductor device includes a substrate and first and second semiconductor light receiving elements that are spaced apart and monolithically integrated on the substrate. The light receiving elements each have first and second terminals. A first flip-chip bonding pad is formed on the surface of the device, which includes a first conductor element that electrically interconnects the first terminals of the elements in series. This design stabilizes the optical and electrical balance characteristics of the device, providing a satisfactory dual balance optical receiver.
Another significant patent is for an optical bistable laser diode and a method for controlling the same. This optical bistable laser diode features an elongated intrinsic active semiconductor element with upper and lower surfaces and a pair of spaced ends. The diode includes mirrors at each end of the semiconductor element, presenting a resonator. The design of the electrodes and the saturable absorption region in the active semiconductor layer is crucial for its functionality.
Career Highlights
Tatsuyuki Sanada has worked with prominent companies such as Fujitsu Corporation and Fujitsu Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
He has collaborated with notable coworkers, including Osamu Wada and Shuichi Miura. Their joint efforts have contributed to the advancement of various technologies in the semiconductor field.
Conclusion
Tatsuyuki Sanada's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry and inspire future innovations.