Location History:
- Shimizu, JP (1999)
- Shizuoka, JP (2001 - 2005)
Company Filing History:
Years Active: 1999-2005
Title: Innovations and Contributions of Yoshitaka Ohshima in Arc Tube Technology
Introduction: Yoshitaka Ohshima, a prominent inventor based in Shizuoka, Japan, is renowned for his significant contributions to the field of arc tube technology. With a remarkable portfolio of 15 patents, Ohshima has paved the way for advancements that enhance the durability and efficiency of arc tubes.
Latest Patents: Among his latest innovations, Ohshima's patents include an arc tube having compressive stress and a method for manufacturing such an arc tube. This design features an arc tube body joined with molybdenum foil, ensuring a compressive stress of 10N/m or more at ordinary temperatures. This compressive stress is critical for maintaining the junction strength of the components, thereby preventing any potential failures despite fluctuations in stress. Another notable patent addresses the prevention of leaks due to cracks in the arc-tube body. By optimizing the average surface roughness of the tungsten electrodes, Ohshima's design enhances the pinch-sealing process, reducing the likelihood of crack propagation and extending the lifespan of the arc tube.
Career Highlights: Currently affiliated with Koito Manufacturing Company, Ltd., Yoshitaka Ohshima has built a solid reputation through his innovative approaches in arc tube manufacturing. His extensive experience and continuous pursuit of innovation have led to numerous advancements in the technology that directly impact the performance of light-emitting devices.
Collaborations: Throughout his career, Ohshima has worked alongside esteemed colleagues, including Shinichi Irisawa and Takeshi Fukuyo. This collaborative environment has fostered a rich exchange of ideas and has been instrumental in driving advancements within their field.
Conclusion: Yoshitaka Ohshima's contributions to arc tube technology reflect his commitment to innovation and excellence. His patents not only enhance product longevity but also address critical challenges in manufacturing processes. As a leading inventor in this field, Ohshima continues to push the boundaries of technology, ensuring a brighter future for arc tube applications.