Masayuki Ito

Title: Masayuki Ito: Inventor of Light-Emitting Device Technologies.

Introduction

Masayuki Ito is an inventor based in Osaka, Japan, whose patent work focuses on light-emitting devices and their design. He is associated with Sharp Kabushiki Kaisha, also known as Sharp Corporation, and has 2 patents.

Latest Patents

Ito’s listed patents address LED construction, light distribution, and electrical performance.

- **Light-emitting device.** This invention describes a device designed to provide a wide luminous-intensity distribution with a simple structure. It combines an LED chip and lead terminals housed in a resin package with recesses containing phosphor-bearing resin. A photoreflective filler is included in the resin region facing the LED chip.

- **Light emitting device, light emitting device unit, and method for fabricating light emitting device.** This invention describes a semiconductor light-emitting element mounted on a substrate and connected in parallel with a resistor. The resistor is selected so that, during light-emitting operation, its current is no more than one-fiftieth of the current through the light-emitting element.

Career Highlights

Ito’s patent portfolio reflects work on practical LED technologies, including optical distribution and circuit arrangements. His inventions describe ways to shape emitted light and manage current while keeping device structures straightforward.

Collaborations

Ito is associated with Sharp Corporation. His listed coworkers include Masataka Miyata and Syoji Yokota.

Conclusion

Masayuki Ito’s patents highlight contributions to LED device design, combining optical features and electrical controls to support effective light-emitting technologies.