Kyoto, Japan

Shigeo Nanno

This inventor holds 54 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Image Forming Apparatus. Top assignees: Ricoh Company, Ltd., Murata Kikai Kabushiki Kaisha. Active years: 2005-2026.

USPTO Granted Patents = 54 

% Patents Active = 57.4

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 137(Granted Patents)

Forward Citations (Not Self Cited) = 122(Dec 10, 2025)


Location History:

  • Kyoto, JP (2005 - 2016)
  • Kanagawa, JP (2018 - 2024)

Company Filing History:


Years Active: 2005-2026

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Areas of Expertise:
Image Forming Apparatus
Fixing Device
Heating Device
Pressure Switching Mechanism
Sheet Conveying Device
Manual Sheet-Feeding Device
Contact-Separation Mechanism
Belt-Type Fixing Device
Removable Fixing Device
Friction Reducer
Conductor Support
Separating Member
54 patents (USPTO):Explore Patents

Title: Shigeo Nanno: Innovator in Heating Devices and Image Forming Technology

Introduction

Shigeo Nanno, based in Kyoto, Japan, is a prolific inventor with an impressive portfolio consisting of 47 patents to his name. His expertise lies in the development of heating devices and technologies related to image forming apparatus, indicating a strong focus on innovative solutions in these fields.

Latest Patents

Nanno's latest patents include advancements in a heating device, fixing device, and image forming apparatus that incorporates a conductor support. The heating device features a unique configuration with a pair of rotators, a heater, and a temperature sensor, designed to optimize the heating process while maintaining flexibility in the conductor structure. This innovative design allows for precise temperature detection and regulation. Additionally, his fixing device consists of a rotator, pressure rotator, and a heater setup, ensuring effective heat application while maintaining the quality of the image forming process.

Career Highlights

Throughout his career, Shigeo Nanno has made significant contributions while working for renowned companies such as Ricoh Company, Ltd. and Murata Kikai Kabushiki Kaisha. His roles in these organizations have enabled him to push the boundaries of technology in heating and image processing, consistently delivering innovations that enhance operational efficiency and performance.

Collaborations

Nanno's work has been influenced and supported by notable colleagues, including Yoshihide Ohta and Yasuhide Ohkubo. Their collaborations have further enriched Nanno's inventive endeavors, leading to groundbreaking technologies that are essential in today’s competitive landscape.

Conclusion

Shigeo Nanno’s contributions to the fields of heating devices and image forming technologies cannot be overstated. With 47 patents under his belt, he continues to innovate and inspire new directions in technological advancements. His collaborations, career experiences, and focus on practical solutions mark him as a leading inventor in his field.

Profile summary based on public USPTO records.
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