Masanori Hirose

Title: Masanori Hirose: Innovator in Optical Semiconductor Technology

Introduction

Masanori Hirose is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of optical semiconductor devices, holding a total of 2 patents. His work focuses on enhancing the precision of signal detection in optical recording media.

Latest Patents

Hirose's latest patents include an innovative optical semiconductor device designed to improve the output signals of optical recording media. This device features a semiconductor laser element mounted in a concave portion of a semiconductor substrate. The optical axis of the signal detecting light emitted from the semiconductor laser element is aligned to be substantially parallel to the substrate's surface. The emitted light is reflected at the side surface of the concave portion, directing it perpendicularly to the substrate surface. Additionally, a light receiving portion for signal detection is strategically placed outside the concave area.

Another notable patent is the optical semiconductor device with enhanced light reception. This invention aims to absorb stray light carriers, ensuring that the output signal is more accurate. The design includes a concave portion on the semiconductor substrate, with a light receiving element positioned around it. A light shielding area is also incorporated to prevent stray light from interfering with the signal detection process. This innovation allows for more precise output signals from optical recording media.

Career Highlights

Masanori Hirose is associated with Matsushita Electronics Corporation, where he has been instrumental in advancing optical semiconductor technologies. His work has significantly impacted the efficiency and accuracy of optical devices used in various applications.

Collaborations

Hirose has collaborated with notable colleagues, including Yuzo Shimizu and Toru Tsuruta. Their combined expertise has contributed to the development of cutting-edge technologies in the field of optical semiconductors.

Conclusion

Masanori Hirose's contributions to optical semiconductor technology exemplify innovation and precision in signal detection. His patents reflect a commitment to enhancing the capabilities of optical recording media, making a lasting impact in the industry.