Tokyo, Japan

Yoshiharu Iwanaga

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Ricoh Company, Ltd., Canon Kabushiki Kaisha. Active years: 1977-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Iwanaga. Retrieved from https://idiyas.com/inventor/yoshiharu-iwanaga

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.2

ph-index = 4

Forward Citations = 46(Granted Patents)


Location History:

  • Tokyo, JA (1977)
  • Tokyo, JP (1980 - 1996)

Company Filing History:


Years Active: 1977-1996

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6 patents (USPTO):Explore Patents

Title: The Innovations of Yoshiharu Iwanaga

Introduction

Yoshiharu Iwanaga is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of sheet feeding technology, holding a total of 6 patents. His work has been instrumental in enhancing the efficiency and functionality of various devices used in processing sheets.

Latest Patents

Iwanaga's latest patents include a "Sheet Guiding Device Having Obliquely-Movable Sheet Restriction Portion." This device is designed to guide sheets that are fed out to processing devices. It features a sheet loading unit, a pair of restriction members that contact the side edges of the sheets, and a support unit that allows the restriction members to move obliquely relative to the feeding direction. Another significant patent is the "Sheet Feeding Apparatus," which includes a sheet supporting tray, a sheet supply roller, and a separating device with multiple surfaces of varying coefficients of friction. This apparatus is designed to separate sheets one by one, ensuring smooth operation.

Career Highlights

Throughout his career, Yoshiharu Iwanaga has worked with prominent companies such as Ricoh Company, Ltd. and Canon Inc. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in sheet processing technologies.

Collaborations

Iwanaga has collaborated with notable colleagues, including Nobuyuki Yanagawa and Toyozi Ishikawa. Their combined expertise has contributed to the advancement of technologies in their field.

Conclusion

Yoshiharu Iwanaga's contributions to sheet feeding technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.

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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