This inventor holds 3 USPTO granted patents and 3 published patent applications. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Intellectual Property Managment Co., Ltd., Panasonic Projector & Display Corporation. Active years: 2025-2026.
Company Filing History:
1 out of 13,338 
1 out of 554 
1 out of 21 Years Active: 2025-2026
Title: Kohei Ueyama: Innovator in Projection Technology
Introduction
Kohei Ueyama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of projection technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of projection display apparatuses.
Latest Patents
Ueyama's latest patents include a color wheel unit and a light source device, as well as a projection display apparatus. The color wheel unit features a color wheel assembly, a rod integrator, and a holder. The holder is designed with a first base that attaches to the housing of a projection display apparatus, a second base that protrudes from the first base, and a third base that supports the rod integrator. This innovative design includes guide walls that help in the movement of the color wheel assembly, which consists of a motor that rotationally drives the color wheel.
Additionally, Ueyama has developed a lens retaining device that includes a first shifter and a second shifter. The first shifter holds a lens and moves in a direction perpendicular to the optical axis of the lens, while the second shifter supports the first and moves in a different perpendicular direction. This mechanism enhances the precision and stability of lens positioning in projection systems.
Career Highlights
Throughout his career, Ueyama has worked with prominent companies such as Panasonic Intellectual Property Management Co., Ltd. and Panasonic Projector & Display Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the projection industry.
Collaborations
Ueyama has collaborated with notable colleagues, including Junichi Takeuchi and Atsushi Takagi. These partnerships have fostered innovation and have been instrumental in the development of advanced projection technologies.
Conclusion
Kohei Ueyama's contributions to projection technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the design and functionality of projection systems, making a lasting impact on the industry.