This inventor holds 1 USPTO granted patent. Top assignees: Nirec Corporation, Sumita Optical Glass, Inc.. 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:
1 out of 3 
1 out of 57 Years Active: 2026
Title: Yuichi Takenaga: Inventor of an Endoscope Light-Shaping Lens.
Introduction
Yuichi Takenaga is an inventor associated with Kochi, Japan. His work includes an optical invention designed to shape light for endoscopic imaging. His listed patent record includes 1 patent.
Latest Patents
Takenaga’s patent, “Beam-Shaping Lens, Beam-Shaping Element, Light Source Device for an Endoscope, and Endoscope,” describes a lens with a smooth concave first surface and a substantially similar convex second surface. The lens transforms parallel light whose intensity increases continuously from the outer periphery toward the center into a beam with a flatter intensity distribution. The invention is intended for use in an endoscope light source and related optical components.
Career Highlights
Takenaga has been associated with Sumita Optical Glass, Inc. and Nirec Corporation. His patent reflects work in optical engineering, particularly in controlling light distribution for endoscopic applications.
Collaborations
Jun Otake is identified as a coworker of Takenaga.
Conclusion
Yuichi Takenaga’s patented beam-shaping lens applies optical design to produce more evenly distributed light for endoscopic devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile