This inventor holds 41 USPTO granted patents, primarily in Semiconductor Lasers. Top assignees: Sharp Kabushiki Kaisha Corporation, 501 Sharp Kabushiki Kaisha, Sekisui Kaseihin Kogyo Kabushiki Kaisha. Active years: 1984-2009.
Company Filing History:
39 out of 25,949Â 
1 out of 10Â 
1 out of 86Â Years Active: 1984-2009
Areas of Expertise:
Title: The Innovative Journey of Osamu Yamamoto
Introduction
Osamu Yamamoto is a prominent inventor based in Nara, Japan, known for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 41 patents, his work emphasizes innovations that enhance the functionality and efficiency of light-emitting devices.
Latest Patents
Yamamoto's latest inventions include a semiconductor light-emitting device featuring a current narrowing portion and a manufacturing method for the device. This innovative semiconductor light-emitting device comprises a first conductivity-type first semiconductor layer, an emission layer, and a second conductivity-type transparent substrate. The design facilitates the optimal emission of light beams through a carefully structured inclined surface.
Additionally, he has developed a semiconductor light-emitting diode that utilizes an AlGaInP type compound semiconductor material. This light-emitting diode features a complex layered structure, including a light-emitting structure and a current diffusion layer that is specifically tailored to ensure minimal lattice mismatch. This attention to detail in the design is crucial for enhancing the performance of the device.
Career Highlights
Osamu Yamamoto has worked with leading companies in the industry, notably Sharp Corporation and Sekisui Chemical Co., Ltd. His role in these organizations allowed him to refine his expertise in semiconductor technologies and contribute to cutting-edge innovations in the field.
Collaborations
Throughout his career, Yamamoto has collaborated with esteemed colleagues, including Hiroshi Hayashi and Saburo Yamamoto. These partnerships have played a vital role in driving forward innovative projects and achieving significant advancements in semiconductor research.
Conclusion
Osamu Yamamoto's contributions to semiconductor technology showcase a relentless pursuit of innovation. His impressive array of patents and collaborations highlight the importance of teamwork and creativity in the advancement of technology. As the semiconductor industry continues to evolve, Yamamoto's work will undoubtedly leave a lasting impact on future developments.