Introduction: Yoshinao Hiranuma, an accomplished inventor based in Hirakata, Japan, has made significant contributions to the field of projection display technology. With a total of six patents to his name, Hiranuma has demonstrated a remarkable ability to innovate and address the challenges faced in the realm of visual display systems.

Latest Patents: Hiranuma's latest patents showcase his profound understanding of projection technology. The first patent describes a Projection Display Apparatus that features an imager controlling unit capable of displaying a test pattern image defined by at least three adjacent regions. This invention addresses the need for precise image projection by employing an adjustment unit that identifies key characteristics within captured images and strategically adjusts the projected image accordingly.

Another notable patent highlights a Projection Display Apparatus with a Device to Measure Deterioration in an Array Light Source. This innovation incorporates a light amount sensor and a deterioration rate calculator that continuously monitors the performance of solid-state light sources. By comparing detected light amounts against a stored reference, the system can determine if any light source has deteriorated, ensuring optimal performance of the projection apparatus.

Career Highlights: Hiranuma is associated with Sanyo Electric Co., Ltd., a company known for its dedication to advancing electronic technology. Throughout his career, he has focused on enhancing the quality and reliability of projection systems, aligning with Sanyo's mission to deliver outstanding visual experiences.

Collaborations: In his journey as an inventor, Hiranuma has collaborated with esteemed colleagues, including Masahiro Haraguchi and Masutaka Inoue. These partnerships have fostered innovation, leading to the development of advanced projection display technologies that stand out in the market.

Conclusion: Yoshinao Hiranuma's contributions to projection display technology exemplify his commitment to innovation. With his strong portfolio of patents and collaborative spirit, he continues to push the boundaries of what is possible in visual display systems, making a lasting impact in the field.

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