Location History:
- Itami, JP (1989 - 1994)
- Tokyo, JP (2002 - 2004)
- Hyogo, JP (2003 - 2005)
Company Filing History:
10 out of 21,351 
3 out of 3,781 
Years Active: 1989-2005
Title: Yasushi Kasatani: Innovator in Semiconductor Technology
Introduction
Yasushi Kasatani is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 13 patents. His innovative work has enhanced the reliability and efficiency of semiconductor devices.
Latest Patents
One of his latest patents is a bump formation method that improves the reliability of semiconductor devices by eliminating satellites generated by a solder jet-type nozzle. This method involves forming a bump on an electrode pad using a solder jet system that discharges molten solder drops. The process includes a coating layer formation step, a solder drop discharging step, and a coating layer removal step, ensuring that the work piece is protected during the soldering process.
Another notable patent is for a semiconductor module that features an upper layer semiconductor package overlying a lower layer semiconductor package. This design includes a substrate with a pad electrode and ensures that the pad electrodes of both packages are arranged alternately, optimizing space and functionality.
Career Highlights
Yasushi Kasatani has worked with several esteemed companies throughout his career, including Mitsubishi Electric Corporation and Renesas Technology Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
He has collaborated with notable colleagues such as Tetsuya Matsuura and Toshinobu Banjo, contributing to advancements in their shared field of expertise.
Conclusion
Yasushi Kasatani's contributions to semiconductor technology through his patents and collaborations have significantly impacted the industry. His innovative methods and designs continue to enhance the reliability and efficiency of semiconductor devices.
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.