Location History:
- Itami, JP (1994 - 1997)
- Hyogo, JP (2004)
- Tokyo, JP (1997 - 2013)
Company Filing History:
19 out of 21,351 
2 out of 814 
1 out of 15,844 
Years Active: 1994-2013
Title: An Overview of Inventor Hitoshi Tada
Introduction: Hitoshi Tada is a distinguished inventor based in Tokyo, Japan. With an impressive portfolio consisting of 20 patents, Tada has made significant contributions to the field of semiconductor technology. His innovations focus on enhancing the efficiency and stability of light-emitting devices, paving the way for future advancements in the industry.
Latest Patents: One of Hitoshi Tada's latest patents is a semiconductor light detecting element featuring a uniquely designed grooved substrate. This innovative back-surface-incidence semiconductor light element includes a semiconductor substrate of a first conductivity type, layered with a first semiconductor layer and a light-absorbing layer. The second semiconductor layer positioned on the light-absorbing layer, along with an impurity diffusion region, creates a p-n junction that serves as the light detecting portion, efficiently capturing light incident on the back surface of the substrate. Additionally, Tada has developed a semiconductor laser that emits laser light with a stable far-field pattern. The design includes trenches whose width is calculated to maintain a specific ratio of electric field magnitude, ensuring consistent light intensity regardless of optical output fluctuations.
Career Highlights: Throughout his career, Hitoshi Tada has worked with reputable companies, including Mitsubishi Electric Corporation (Mitsubishi Denki Kabushiki Kaisha) and Kyoto University. His roles in these organizations have allowed him to contribute significantly to research and development in semiconductor technology, enhancing both academic and industrial applications.
Collaborations: Tada's work has been enriched through collaboration with notable colleagues such as Nobuaki Kaneno and Kazuhisa Takagi. These partnerships have fostered a dynamic exchange of ideas and expertise, leading to groundbreaking innovations in their respective fields.
Conclusion: Hitoshi Tada's contributions to the semiconductor industry underscore his role as a leading inventor. With his recent patents and collaborative efforts, he continues to drive innovation and progress, making a lasting impact on technology. As the demand for more efficient and reliable semiconductor devices grows, Tada's work remains at the forefront of this transformation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.