Shinji Ohsuka

Title: Innovator Shinji Ohsuka: Advancements in Fluorescence Measurement Technologies

Introduction: Shinji Ohsuka, hailing from Shizuoka, Japan, is a prominent inventor known for his significant contributions to the field of biophotonics. With a total of four patents to his name, Ohsuka's work focuses on innovative methods and apparatuses for measuring fluorescence, a critical aspect in various scientific and medical applications.

Latest Patents: Among his latest patents, Ohsuka developed a Method and Apparatus for Measuring Fluorescence. This invention relates to an efficient approach for measuring the fluorescence lifetime emitted from fluorescent materials in response to pulsed light. The apparatus regulates the excitation power to ensure that at least one fluorescence photon can be detected per light pulse. By repeatedly irradiating a sample with light, Ohsuka's method measures the time from irradiation to fluorescence detection and the detected photon count to accurately determine the fluorescence lifetime and decay curve. Another notable patent is the Light Measuring Apparatus for Quantifying Photons, which utilizes a photodetector to convert incident light into an electric current signal. This is integrated and transformed into a digital signal, from which pulse height distributions are generated to estimate the intensity of the measurement-object light.

Career Highlights: Shinji Ohsuka's career features significant tenures at esteemed institutions. He has worked at the Laboratory of Molecular Biophotonics and Hamamatsu Photonics Kabushiki Kaisha, where he contributed to advancements in photonics and biophotonics technologies. His expertise in these roles has propelled numerous innovations in the measurement of light and fluorescence.

Collaborations: Throughout his career, Ohsuka has collaborated with notable colleagues, including Hisayoshi Takamoto and Teruo Hiruma. These partnerships have fostered a rich exchange of ideas and a collaborative approach to developing cutting-edge technologies in their field.

Conclusion: Shinji Ohsuka stands out as an innovative force in the realm of fluorescence measurement. His patents not only reflect his technical prowess but also underscore the importance of his contributions to scientific research and industrial applications. As a distinguished inventor, Ohsuka’s work continues to influence the landscape of biophotonics, paving the way for future innovations.