Numazu, Japan

Hideo Ichikawa

This inventor holds 29 USPTO granted patents and 1 EPO patent, primarily in Image Forming Technology. Top assignee: Ricoh Company, Ltd.. Active years: 1993-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Ichikawa. Retrieved from https://idiyas.com/inventor/hideo-ichikawa

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


% Patents Active = 86.2


Average Co-Inventor Count = 3.1

ph-index = 17

Forward Citations = 789(Granted Patents)


Location History:

  • Numazu, JP (1993 - 2007)
  • Shizuoka, JP (1995 - 2015)

Company Filing History:


Years Active: 1993-2015

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Areas of Expertise:
Image Forming Apparatus
Toner Cartridge
Developer Replenishing Device
Sieving System
Powder Transporting Unit
Toner Bottle
Filling Microscopic Powder
Stretch Label Attaching Device
Powder Feeding Method
Liquid Developer Supply System
Densely Packed Toner Container
Pump-Equipped Liquid Supply
29 patents (USPTO):Explore Patents

Title: Hideo Ichikawa: Innovator in Sieving Systems

Introduction

Hideo Ichikawa, based in Numazu, Japan, is a prolific inventor with an impressive portfolio of 29 patents. His work primarily focuses on developing innovative solutions in the field of sieving systems, contributing significantly to modern industrial processes.

Latest Patents

Ichikawa's latest patents showcase his ingenuity. One notable invention is a sieving system that includes a filter and a blade designed to stir powder accumulated on the filter. This system comprises a driver that powers the blade and a notifier that communicates the status of the filter based on the load of the driver while operating. Another significant patent is a sieving device featuring a hollow cylindrical body with a filter at its bottom. A rotating blade, situated close to the filter, serves to stir the powder supplied to the body, enhancing efficiency in powder management.

Career Highlights

Hideo Ichikawa is currently employed by Ricoh Company, Ltd., where he continues to push the boundaries of technological advancements. His contributions to the company reflect his commitment to innovation and engineering excellence.

Collaborations

Throughout his career, Ichikawa has collaborated with esteemed colleagues, including Sunao Ikeda and Nobuhiro Makita. These professional relationships have bolstered his research efforts and fostered a creative environment for developing groundbreaking technologies.

Conclusion

Hideo Ichikawa’s dedication to innovation and his extensive patent portfolio underscore his status as a leading inventor in the field of sieving systems. His contributions not only enhance industrial processes but also pave the way for future advancements in technology.

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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