Location History:
- Kanagawa, JP (1999 - 2000)
- Tokyo, JP (2001)
Company Filing History:
Years Active: 1999-2001
Title: Innovations of Kenichi Ishiguro in Developing Devices
Introduction: Kenichi Ishiguro is an accomplished inventor based in Kanagawa, Japan, known for his innovative contributions to the field of developing devices. With a total of four patents to his name, Ishiguro has made significant advancements in technologies that enhance image formation processes.
Latest Patents: Among his latest inventions, Ishiguro has developed a unique developing device and a magnet roller specifically designed for this device. The primary feature of this developing device is its ability to prevent the bias of the developer caused by the axial magnetic force of the magnet roller. This results in the formation of images that are uniform in the axial direction. The device incorporates a rotatable sleeve that carries the developer on its surface, along with a fixed magnet roller that contains multiple magnetic poles. Furthermore, a doctor blade regulates the amount of developer that is transported by the sleeve. Notably, the ratio of the axial magnetic flux density to the radial magnetic flux density of a magnetic pole opposing the doctor blade is maintained at 2.5/100 or less in the central portion along the axial direction.
Another notable invention is a developing roller composed of a magnet member and a surrounding sleeve. This design allows for the formation of sophisticated magnetic characteristics, including a repulsive pole, on the sleeve's surface. The presence of the repulsive pole facilitates the sharp release of the developer from the sleeve, enhancing the overall functionality of the developing device.
Career Highlights: Kenichi Ishiguro has spent a significant part of his career at Ricoh Company, Ltd., where he has pioneered advancements in developing technology. His work has directly contributed to the company’s reputation for innovation in imaging and printing solutions.
Collaborations: Throughout his career, Ishiguro has collaborated with esteemed colleagues such as Tsuyoshi Imamura and Makoto Nakamura. These collaborations have fostered a creative environment leading to the birth of innovative ideas and practical applications in developing devices.
Conclusion: Kenichi Ishiguro exemplifies the spirit of innovation in the field of developing devices. His patents reflect a deep understanding of magnetic dynamics and their applications in image formation technology. As he continues to work at Ricoh Company, Ltd., his contributions will undoubtedly shape the future of developing technologies and inspire the next generation of inventors.