Location History:
- Kanagawa, JP (2009)
- Tokyo, JP (1993 - 2023)
Company Filing History:
10 out of 2,886 
4 out of 58,130 
1 out of 1 Years Active: 1993-2024
Title: The Innovative Journey of Keiji Ohshima
Introduction
Keiji Ohshima is a prominent inventor based in Tokyo, Japan, recognized for his significant contributions to the field of imaging technology. With an impressive portfolio of 15 patents, Ohshima has played a pivotal role in advancing solid-state imaging devices and camera modules, demonstrating a strong commitment to innovation throughout his career.
Latest Patents
One of Ohshima's latest inventions is a solid-state imaging device that incorporates a first semiconductor layer with a photoelectric converter and an electric charge accumulation section for each pixel. This innovative design allows for enhanced performance, as the electric charge generated in the photoelectric converter is efficiently accumulated. Additionally, he has developed an AF module and camera module featuring a stacked lens structure made of multiple lens substrates, which are directly bonded to optimize light reception. This camera module also includes an electromagnetic drive unit that adjusts the distance between the lens structure and the light-receiving element, catering to high-quality image capture in various electronic apparatuses.
Career Highlights
Ohshima's career is marked by his tenure at leading tech firms, including Sony Semiconductor Solutions Corporation and Sony Corporation. His work in these organizations has paved the way for advancements in consumer electronics, particularly in imaging technologies that have become standard in modern devices.
Collaborations
Throughout his career, Keiji Ohshima has collaborated with several notable colleagues, including Nobutoshi Fujii and Hiroyasu Matsugai. Their combined expertise has enriched the development process of innovative technologies, leading to successful patent applications and implementation of advanced imaging solutions across the industry.
Conclusion
Keiji Ohshima's contributions to the field of imaging technologies underscore his status as an influential inventor. With a remarkable number of patents to his name and collaborations with other skilled professionals, Ohshima continues to be a driving force in the innovation landscape, particularly within the realms of solid-state imaging and camera module design. His work not only enhances the functionality of consumer electronics but also propels the industry forward into new technological frontiers.