This inventor holds 3 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Mitsubishi Cable Industries, Ltd., Ricoh Research Institute of General Electronics. Active years: 1989-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sendai-shi, Miyagi-ken, JP (1989)
- Aza-aoba, Aramaki, Sendai-shi, Miyagi-ken, JP (1990)
- Sendai-shi, Miyagi JP (2001)
Company Filing History:
2 out of 28,951 
1 out of 219 
1 out of 49 
Years Active: 1989-2001
Title: Hiromasa Ito: Innovator in Optical Devices and Semiconductor Technology
Introduction
Hiromasa Ito is a notable inventor based in Miyagi-ken, Japan. He has made significant contributions to the fields of optical devices and semiconductor technology. With a total of 3 patents to his name, his work reflects a commitment to advancing technological innovation.
Latest Patents
One of Hiromasa Ito's latest patents is an optical device designed to simplify the adjustment operations typically required in optical systems. This invention utilizes a nonlinear optical crystal to eliminate the need for complex positioning adjustments. The device incorporates Q switching electrodes and phase adjustment electrodes, which are strategically placed within the optical crystal. This configuration allows for the oscillation of input light and the generation of output light with a different frequency through optical parametric oscillation.
Another significant patent is for a surface emission type semiconductor light-emitting device. This device features a base with a current blocking layer and a semiconductor layer that includes a cylindrical diffusion region. The design effectively defines a light-emitting activation region at the p-n junction, enhancing the device's performance. The structure may also include additional diffusion regions to optimize current paths within the semiconductor layer.
Career Highlights
Throughout his career, Hiromasa Ito has worked with prominent companies, including Ricoh Company, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Hiromasa has collaborated with notable individuals in the field, including Fumio Inaba and Noriaki Onodera. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and technological advancements.
Conclusion
Hiromasa Ito's contributions to optical devices and semiconductor technology demonstrate his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of complex systems and a desire to simplify and enhance technological processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile