This inventor holds 3 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Ricoh Research Institute of General Electronics, Other. Active years: 1990-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sendai, JP (1990)
- Natori, JP (1992 - 1994)
Company Filing History:
3 out of 28,970 
2 out of 49 
1 out of 834,659 Years Active: 1990-1994
Title: Tomoaki Yoshida: Innovator in Semiconductor Technology
Introduction
Tomoaki Yoshida is a prominent inventor based in Natori, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on developing advanced optical devices that enhance the performance and efficiency of semiconductor applications.
Latest Patents
Yoshida's latest patents include innovative designs that address critical challenges in semiconductor optics. One of his notable inventions is a semiconductor optical device having an optical confinement structure. This planar semiconductor optical device is designed to modulate an optical beam and features an active layer with a quantum structure, which is laterally surrounded by an optical confinement region that has a refractive index smaller than that of the active layer. Another significant patent is for a semiconductor light emitting array with particular surfaces. This device consists of a substrate with multiple light emitting elements arranged in a row, each emitting light from a side end surface in a direction parallel to the substrate surface. The design includes a separating groove that enhances the functionality of the light emitting elements.
Career Highlights
Throughout his career, Tomoaki Yoshida has worked with esteemed organizations such as Ricoh Company, Ltd. and Ricoh Research Institute of General Electronics Co., Ltd. His experience in these companies has allowed him to refine his expertise in semiconductor technologies and contribute to various innovative projects.
Collaborations
Yoshida has collaborated with notable colleagues in the field, including Fumio Inaba and Hiromasa Ito. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in semiconductor research.
Conclusion
Tomoaki Yoshida's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative designs continue to pave the way for advancements in optical devices, showcasing the importance of his work in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile