Daisuke Kuboshima

Title: Daisuke Kuboshima: Innovator in Photoconductor Technology

Introduction

Daisuke Kuboshima is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of photoconductor technology, holding a total of 13 patents. His work focuses on enhancing the sensitivity and efficiency of photoconductors, which are essential components in various imaging devices.

Latest Patents

Among his latest innovations are two notable patents. The first is a monolayer type photoconductor and image forming device. This invention provides a monolayer type photoconductor that excels in sensitivity characteristics, allowing for reliable production through easy confirmation of these characteristics. The design includes a base body and a single photo sensitive layer that contains a charge generating agent, a hole transfer agent, an electron transfer agent, and a binding resin. The maximum absorption wavelength of the photo sensitive layer is set below 850 nm, with an absorbance of light at this wavelength per unit thickness being 0.05 μm or less.

The second patent involves an oxo-titanylphthalocyanine crystal, which is stable and superior in dispersibility within a photoreceptive layer. This crystal significantly improves the sensitivity and charge retention rate of an electrophotographic photoreceptor when used as a charge generating agent. The production method for this crystal includes several steps, such as dissolving a crude oxo-titanylphthalocyanine crystal in acid and washing the resulting wet cake with alcohol.

Career Highlights

Daisuke Kuboshima has worked with notable companies in the industry, including Kyocera Mita Corporation and Kyocera Document Solutions Inc. His experience in these organizations has contributed to his expertise in developing advanced photoconductor technologies.

Collaborations

Throughout his career, Kuboshima has collaborated with esteemed colleagues, including Kazunari Hamasaki and Yoshio Inagaki. These partnerships have fostered innovation and the exchange of ideas in the field of photoconductors.

Conclusion

Daisuke Kuboshima's contributions to photoconductor technology are noteworthy, with his patents reflecting a commitment to enhancing imaging devices. His work continues to influence the industry and pave the way for future innovations.