Location History:
- Amagasaki, JA (1976)
- Amagasaki, JP (1979 - 1980)
- Hyogo, JP (1985 - 1988)
- Itami, JP (1981 - 1990)
Company Filing History:
Years Active: 1976-1990
Title: Hirofumi Namizaki: Innovator in Semiconductor Laser Technology
Introduction
Hirofumi Namizaki is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of semiconductor laser technology, holding a total of 13 patents. His work has advanced the understanding and application of semiconductor lasers, which are crucial in various technological applications.
Latest Patents
Namizaki's latest patents include innovative methods for creating buried crescent lasers with air gap insulators. One notable patent describes a semiconductor laser that features a semiconductor substrate with a longitudinal groove in the resonator direction. This design includes a first semiconductor layer that forms a rectifying junction, a first cladding layer in the groove, an active layer on the first cladding layer, and a second cladding layer opposite the first semiconductor layer, all interposed with an insulating layer. Another patent focuses on a semiconductor laser that incorporates an interposed gap void of solid material, enhancing its performance by minimizing parasitic capacitance.
Career Highlights
Namizaki is associated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electronics and technology sector. His work at Mitsubishi has allowed him to push the boundaries of semiconductor laser technology, contributing to advancements that benefit various industries.
Collaborations
Throughout his career, Namizaki has collaborated with notable colleagues, including Wataru Susaki and Yasushi Sakakibara. These collaborations have fostered a creative environment that has led to innovative solutions in semiconductor technology.
Conclusion
Hirofumi Namizaki's contributions to semiconductor laser technology are significant and impactful. His innovative patents and collaborations highlight his role as a leading inventor in this field. His work continues to influence advancements in technology and engineering.