Company Filing History:
Years Active: 1988-1996
Title: Hisashi Ishida: Innovator in Semiconductor Technology
Introduction
Hisashi Ishida is a prominent inventor based in Higashiyamato, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on enhancing the functionality and reliability of semiconductor integrated circuits.
Latest Patents
One of Hisashi Ishida's latest patents involves a semiconductor integrated circuit device and methods for production. This invention discloses a semiconductor chip that comprises fuses constituting part of redundancy circuits formed therein. The fuses are made of the same ingredients as those of a CCB bump substrate metal. They are patterned simultaneously during the patterning of the CCB bump substrate metal. This process involves forming the fuses using at least part of the ingredients of an electrode conductor pattern in the chip. The cutting regions of the fuses are made of only one of the metal layers constituting the substrate. Additionally, the principal plane of the semiconductor chip has a fuse protective film formed over at least the cutting regions of the fuses for their protection. In operation, a switch MOSFET under switching control of a redundancy signal is used to select one of two transmission paths, allowing a faulty circuit to be replaced with the corresponding redundancy circuit.
Career Highlights
Hisashi Ishida is associated with Hitachi, Ltd., a leading company in the technology sector. His work at Hitachi has allowed him to develop innovative solutions that address critical challenges in semiconductor design and production.
Collaborations
Throughout his career, Ishida has collaborated with notable colleagues, including Takayuki Uda and Toshiro Hiramoto. These collaborations have contributed to the advancement of semiconductor technologies and have fostered a culture of innovation within the industry.
Conclusion
Hisashi Ishida's contributions to semiconductor technology exemplify the impact of innovation in modern electronics. His patents reflect a commitment to improving the reliability and efficiency of integrated circuits. His work continues to influence the field and inspire future advancements.
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.