Hideo Hirane

Title: Hideo Hirane: Innovator in Light Emitting Technologies

Introduction

Hideo Hirane is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of light-emitting technologies, holding a total of 6 patents. His work focuses on improving the functionality and diagnostics of light emitter arrays, which are essential in various electronic applications.

Latest Patents

Hirano's latest patents include a "Light Emitter Array Diagnostic Apparatus" and a "Light-Emitting Element Array Driver Circuit." The diagnostic apparatus is designed to assess the operational status of individual light emitter elements within an array. It utilizes a check data generator to ensure that all elements emit light correctly. The light outputs are then analyzed by photo detector units, allowing for precise diagnostics of luminescence states.

The driver circuit for light-emitting diode arrays enhances the performance of electronic photograph printers. It features a current mirror circuit that produces reference currents based on digital signals. This innovation allows for efficient control of light emission and reduces the number of required register circuits through a bidirectional data scan.

Career Highlights

Hideo Hirane has worked with prominent companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His experience in these organizations has allowed him to develop and refine his innovative technologies in light emission.

Collaborations

Hirano has collaborated with notable coworkers, including Kiyohiko Tanno and Hisao Iizuka. Their combined expertise has contributed to the advancement of light-emitting technologies.

Conclusion

Hideo Hirane's contributions to light-emitting technologies through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the development of electronic devices that rely on efficient light emission.