This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Nippon Seiki. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Satoru Koyama: Inventor of an Optical Display Device
Introduction
Satoru Koyama is an inventor associated with Niigata, Japan, and Nippon Seiki. His listed patent work concerns display optics, including a device designed to direct display light through a prism.
Latest Patents
The provided information lists one patent for Koyama: “Display device, virtual image display device, and movable body.” The invention combines a display unit, whose surface emits central display light in a direction that is not perpendicular to the surface, with a prism positioned on that surface. The prism receives and emits the display light, gradually increases in thickness along the light’s emission direction, and has an emitting-surface vertex offset toward that direction from the region directly above its incidence surface. The patent describes applications that include virtual-image display devices and movable bodies.
Career Highlights
Koyama’s listed patent reflects work on optical display components and the management of light paths within compact display systems. The supplied information associates him with Nippon Seiki and records 1 patent.
Collaborations
Junka Abe is identified as Koyama’s coworker. The provided details do not specify a particular joint patent or project between them.
Conclusion
Satoru Koyama’s recorded invention focuses on a prism-based display design intended to guide emitted light for display-device applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile