Location History:
- Tsuchiurashi, JP (1993)
- Fussa, JP (1998 - 2000)
Company Filing History:
3 out of 29,232 
2 out of 42,485 
Years Active: 1993-2000
Title: Minoru Ohtsuka: Innovator in Semiconductor Technology
Introduction
Minoru Ohtsuka is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work has focused on improving the manufacturing processes of semiconductor devices, particularly dynamic RAMs.
Latest Patents
Ohtsuka's latest patents include a method of manufacturing semiconductor devices with increased focus margin. This method provides a way to fabricate DRAMs that have a chip-on-board (COB) structure. In this embodiment, the word line and/or bit line is covered with an insulating film that has a comparatively small etching rate. Contact holes are formed in a self-aligned manner, defined by these insulating films. Another significant patent is a method of forming a semiconductor device with a screen stacked cell. This patent describes a semiconductor device, such as dynamic RAM, and the method of making it. It involves placing a number of stacked cell capacitors at a prescribed spacing on top of a p.sup.- -type silicon substrate. Each capacitor features a nearly perpendicular cylindrical lower electrode, a dielectric film, and an upper electrode made of polysilicon.
Career Highlights
Throughout his career, Minoru Ohtsuka has worked with prominent companies in the technology sector, including Texas Instruments Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor manufacturing.
Collaborations
Ohtsuka has collaborated with notable professionals in the field, including Hideo Aoki and Jun Murata. These collaborations have contributed to the advancement of semiconductor technologies and have fostered a spirit of innovation.
Conclusion
Minoru Ohtsuka's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced 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.