Location History:
- Ikoma-gun, JP (1997 - 2000)
- Nara, JP (1995 - 2007)
Company Filing History:
Years Active: 1995-2007
Title: **The Innovative Contributions of Motohiko Yamamoto**
Introduction
Motohiko Yamamoto, an accomplished inventor based in Ikoma-gun, Japan, has made significant strides in the field of optical technology. With a total of five patents to his name, his work has greatly influenced advancements in photodetector and optical amplifier technologies.
Latest Patents
Yamamoto's most recent patents include a photo-receiving amplifier element, an optical pickup unit, and an optical disk device. The design of the photo-receiving amplifier element features a feedback resistor within a feedback circuit formed on an electrically isolated island region, which is in a floating state. This innovative configuration enhances the response speed of the amplifier without altering the circuit process or changing the resistance value of the feedback resistor in the first-stage amplifier unit. Likewise, his work on the photodetector element involves a surface-protecting insulating film made from Si₃N₄, which provides high humidity resistance, and a bonding pad portion with a titanium-tungsten alloy layer and gold layers that enhance durability and manufacturing efficiency.
Career Highlights
Motohiko Yamamoto is currently associated with Sharp Corporation, where he has been pivotal in developing advanced optical technologies. His contributions to the company align with their commitment to innovation and excellence in electronic components.
Collaborations
Throughout his career, Yamamoto has collaborated with notable colleagues like Masaru Kubo and Naoki Fukunaga. Their teamwork has led to considerable advancements in their respective projects, combining their expertise to push the boundaries of technology.
Conclusion
In summary, Motohiko Yamamoto stands out as a remarkable inventor whose contributions to optical technologies have paved the way for numerous applications in various fields. His inventive spirit continues to inspire future innovations, affirming his legacy as a leader in the realm of technology.