Company Filing History:
1 out of 42,526 
1 out of 832,966 Years Active: 2009-2014
Title: Keisuke Otsuka: Innovator in Semiconductor and Mapping Technologies
Introduction
Keisuke Otsuka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of semiconductor devices and mapping technologies. With a total of 2 patents, Otsuka's work showcases his innovative spirit and technical expertise.
Latest Patents
Otsuka's latest patents include a method of forming a semiconductor device and a map information system. The semiconductor device patent describes a process that involves forming a first groove in a semiconductor substrate, creating a first conductive film, and selectively etching the film to remain in the lower portion of the groove. The map information system patent outlines a system that utilizes an electronic pen to read dot patterns on maps, associating handwriting information with specific map images and enabling efficient data retrieval and output.
Career Highlights
Throughout his career, Otsuka has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies.
Collaborations
Otsuka has collaborated with talented individuals such as Hiroko Sakamoto and Yosuke Nitta. These partnerships have likely enriched his work and fostered innovation in his projects.
Conclusion
Keisuke Otsuka is a distinguished inventor whose contributions to semiconductor and mapping technologies have made a lasting impact. His innovative patents reflect his dedication to advancing technology and improving user experiences.