Nobuo Hirata

Title: Nobuo Hirata: Innovator in Semiconductor Technology

Introduction

Nobuo Hirata is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on enhancing the reliability and efficiency of optical sensing apparatuses and range finders.

Latest Patents

Hirata's latest patents include a semiconductor optical sensing apparatus with reliable focusing means. This innovative apparatus features a casing made of an electrically insulative material, which includes an opening at the bottom. It incorporates a wiring device that extends from the inside to the outside of the casing, along with a semiconductor optical sensor chip bonded to the bottom. A transparent filler is used to cover the sensor chip, allowing for volume changes due to temperature variations. The design aims to improve the reliability and longevity of the apparatus by minimizing the effects of temperature fluctuations.

Another notable patent is the thermal deformation compensating range finder. This device measures distances based on triangulation principles and includes a pair of lenses, a lens supporting frame, and CCD packages. Temperature sensors are strategically placed to ensure that thermal expansion does not affect distance measurements. The innovative design reduces measurement errors caused by nonuniform thermal deformations, enhancing the accuracy of the range finder.

Career Highlights

Nobuo Hirata is currently employed at Fuji Electric Co., Ltd., where he continues to develop cutting-edge technologies in the semiconductor field. His work has significantly impacted the industry, particularly in improving the performance of optical devices.

Collaborations

Hirata has collaborated with notable colleagues, including Akio Izumi and Osamu Sugiyama. Their combined expertise has contributed to the advancement of various projects within the company.

Conclusion

Nobuo Hirata's innovative contributions to semiconductor technology demonstrate his commitment to enhancing the reliability and efficiency of optical devices. His patents reflect a deep understanding of the challenges in the field and a dedication to finding effective solutions.