Hyogo, Japan

Kisaku Koshijima

This inventor holds 1 USPTO granted patent. Top assignee: Mita Industrial Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kisaku Koshijima. Retrieved from https://idiyas.com/inventor/kisaku-koshijima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Kisaku Koshijima: Innovator in Developing Device Technology

Introduction

Kisaku Koshijima is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of image forming apparatuses, particularly through his innovative developing device technology. His work has led to advancements that enhance the efficiency and functionality of these devices.

Latest Patents

Koshijima holds a patent for a developing device that features a unique construction. This device is designed such that the rotational axis of a transmission gear, which engages with a gear attached to the photosensitive drum, is fixed in relation to the photosensitive drum gear. This design allows for the effective transmission of rotational force from the photosensitive drum to the developing roller via gears. Additionally, the transmission gear axis is rockably suspended and supported as a supporting axis of the developing unit. The developing roller gear is linked with a transmission gear through multiple gears, which reduces the force that keeps the developing unit away from the photosensitive drum. This innovation is crucial for improving the performance of image forming apparatuses.

Career Highlights

Kisaku Koshijima has dedicated his career to advancing technology in the imaging sector. His work at Mita Industrial Co., Ltd. has positioned him as a key player in the development of innovative solutions for image processing. His patent reflects his commitment to enhancing the functionality and reliability of developing devices.

Collaborations

Koshijima has collaborated with notable colleagues, including Masao Uyama and Masahiko Maeda. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kisaku Koshijima's contributions to developing device technology exemplify his dedication to innovation in the imaging industry. His patent showcases a significant advancement that benefits the functionality of image forming apparatuses. His work continues to influence the field and inspire future innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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