Tatsutoshi Yamada

Title: Innovations and Contributions of Tatsutoshi Yamada

Introduction

Tatsutoshi Yamada, based in Toyokawa, Japan, is a prolific inventor with a remarkable portfolio of 20 patents. His contributions to the field of image forming technology have significantly impacted the industry, showcasing his ingenuity and dedication to innovation.

Latest Patents

Among Yamada's latest creations are two notable patents:

1. **Image Formation Device**: This invention includes a photoreceptor designed to carry a toner image and a developer that forms this toner image on the photoreceptor's surface. The developer is structured as a replaceable development unit. This image formation device features a development bias application section that applies a development bias between the photoreceptor and the developer. Moreover, it has a stabilization control section to manage image stabilization by adjusting the development bias based on toner density and a life determination section to assess the expiration of the development unit when bias values deviate from an acceptable range.

2. **Image Forming Apparatus**: This apparatus incorporates a light source emitting a laser beam, a polygon mirror reflecting this beam, and a photoreceptor exposed to the laser. A motor rotates the polygon mirror, while a hardware processor detects the type of sheet being used in the apparatus. It intelligently adjusts the motor's rotation speed based on the detected sheet type, optimizing the image formation process.

Career Highlights

Yamada has had an impactful career, particularly noted for his roles at Konica Minolta Business Technologies, Inc. and Konica Minolta, Inc. His work has consistently pushed the boundaries of image technology, leading to advancements that enhance functionality and efficiency.

Collaborations

Throughout his career, Tatsutoshi Yamada has collaborated with several esteemed professionals, including Hideo Mae and Kazuo Okunishi. These partnerships have allowed for the cross-pollination of ideas, fostering innovative solutions in the image forming sector.

Conclusion

Tatsutoshi Yamada's extensive contributions through his patents exemplify the spirit of innovation in the field of imaging technology. His work not only reflects his expertise but also serves as a foundation for future advancements in the industry. As technology continues to evolve, Yamada’s inventions will undoubtedly play a crucial role in shaping the future of image formation.