Hirofumi Miyajima is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of semiconductor laser technology, holding a total of 17 patents. His innovative designs have advanced the efficiency and functionality of laser devices.

Latest Patents

Miyajima's latest patents include a semiconductor laser device that features a semiconductor laser bar mounted onto a liquid-cooled heat sink. This design incorporates a molybdenum reinforcement member fixed onto the surface opposite to where the semiconductor laser module is mounted. The molybdenum has a linear expansion coefficient that is less than that of the heat sink, allowing for better thermal management. Additionally, he has developed a heat sink and laser apparatus that includes a first flat plate, a partition plate, and a second flat plate, which work together to form a refrigerant channel. This innovative structure enhances the performance of laser stack apparatuses.

Career Highlights

Throughout his career, Hirofumi Miyajima has worked with notable companies, including Hamamatsu Photonics K.K. His work has been instrumental in the development of advanced laser technologies that are widely used in various applications.

Collaborations

Miyajima has collaborated with esteemed colleagues such as Hirofumi Kan and Akiyoshi Watanabe. Their combined expertise has contributed to the success of numerous projects in the semiconductor laser field.

Conclusion

Hirofumi Miyajima's contributions to semiconductor laser technology have established him as a leading inventor in his field. His innovative patents and collaborations continue to influence advancements in laser applications.

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