Yasuhiro Takenaka

Title: Yasuhiro Takenaka: Innovator in Light Emitting Technology

Introduction

Yasuhiro Takenaka is a prominent inventor based in Kiyosu, Japan. He has made significant contributions to the field of light-emitting technology, holding a total of 2 patents. His work focuses on the development of advanced light-emitting elements that have applications in various industries.

Latest Patents

Yasuhiro Takenaka's latest patents include innovative methods and designs for light-emitting elements. One of his patents describes a method of manufacturing a light-emitting element that involves forming an n-type semiconductor layer with an n-type clad layer and AlGaN as a main component. This method also includes the formation of an n-side contact electrode with a laminate structure, which consists of a Ti layer and a Ru layer. The Ti layer is in contact with the n-type semiconductor layer, and an ohmic contact is established through heat treatment.

Another notable patent is for a light-emitting element that features an n-type semiconductor layer primarily composed of AlGaN, a p-type semiconductor layer, and a light-emitting layer sandwiched between the two. This design includes an n-electrode connected to the n-type semiconductor layer and multiple p-electrodes arranged in a dot pattern. The area of the n-electrode is specified to be between 25% and 50% of the chip area, optimizing its performance.

Career Highlights

Yasuhiro Takenaka is currently employed at Toyoda Gosei Co., Ltd., a company known for its innovative solutions in the automotive and electronics sectors. His work at Toyoda Gosei has allowed him to further develop his expertise in semiconductor technology and light-emitting devices.

Collaborations

Throughout his career, Yasuhiro has collaborated with notable colleagues, including Yoshiki Saito and Shinichi Matsui. These collaborations have contributed to the advancement of their shared projects and innovations in the field.

Conclusion

Yasuhiro Takenaka is a distinguished inventor whose work in light-emitting technology has led to significant advancements in the industry. His patents reflect a commitment to innovation and excellence, making him a valuable asset to Toyoda Gosei Co., Ltd. and the broader field of semiconductor technology.