Hirohisa Shirai

Title: Innovative Contributions of Hirohisa Shirai

Introduction

Hirohisa Shirai, an accomplished inventor based in Toyokawa, Japan, has made significant contributions to the field of image forming technologies. With a prolific career that includes three patents, Shirai continues to push the boundaries of innovation through his work at Konica Minolta, Inc.

Latest Patents

One of his recent patents describes an image forming apparatus equipped with a proximity charger. This innovative apparatus incorporates an image supporting member, a charger, a power source unit, an amperometric detector, and a processor. The design allows the power source unit to apply a series of alternating charging voltages sequentially while no print medium is being fed. The alternating voltages have varying peak-to-peak voltages tailored for both forward and reverse discharge ranges. The amperometric detector plays a crucial role in detecting alternating current values flowing in the charger during the charging voltage application, while the processor derives the characteristic lines of alternating current values in relation to the charging voltage.

Another notable patent outlines a comprehensive image forming apparatus that can create images on media. This system includes an image carrying member, a nearby charging unit, and a power supply unit that applies a series of charging voltages when no medium is being fed. Similarly, it features a current detecting unit for monitoring AC values through the charging unit and a processing unit that oversees the determination of peak-to-peak voltage values used in image processing.

Career Highlights

Hirohisa Shirai's career at Konica Minolta, Inc. has been marked by his innovative spirit and technical expertise. His contributions have helped enhance the efficiency and efficacy of imaging technology, positioning the company as a leader in the market.

Collaborations

Throughout his professional journey, Shirai has worked alongside talented colleagues, including Kazuki Kobori and Hisashi Murata. Their collaborative efforts have contributed to the successful development of innovative technologies in the field of imaging.

Conclusion

Hirohisa Shirai's dedication to innovation and his recent advancements in image forming apparatuses exemplify the spirit of creativity and technical achievement. His patents not only signify personal accomplishments but also enhance the broader landscape of imaging technology, showcasing the importance of inventors in driving industry progress.