Kawasaki, Japan

Yoshiaki Tanaka

This inventor holds 25 USPTO granted patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Epson Toyocom Corporation. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Tanaka. Retrieved from https://idiyas.com/inventor/yoshiaki-tanaka-d4zog24a

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 = 6.0

ph-index = 19

Forward Citations = 614(Granted Patents)


Company Filing History:


Years Active: 1988-2006

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Areas of Expertise:
Piezoelectric Sensor
Image Forming Apparatus
Toner Conveyor Roller
Electrophotographic Recording
Electrostatic Development
Uniform Toner Layer
Sheet Feeding Device
Toner Transport Roller
Bias Control
Compact Assembly
Heated Adjustable Pressure
25 patents (USPTO):Explore Patents

Title: **Yoshiaki Tanaka: Innovator in Piezoelectric and Imaging Technologies**

Introduction

Yoshiaki Tanaka, based in Kawasaki, Japan, is a distinguished inventor with a remarkable portfolio comprising 25 patents. His innovative contributions span across various technologies, particularly focusing on piezoelectric sensors and imaging apparatus.

Latest Patents

Among Tanaka's latest patents is the **Piezoelectric Vibration Gyro-Sensor**. This invention utilizes Coriolis force and incorporates a unique design featuring a tuning fork type vibrator with two rectangular-columnar arms integrated with a base. The device includes drive electrodes placed on the arms and IDT electrodes of a surface acoustic wave element, optimizing sensitivity and performance.

Another significant innovation is the **Developing Device for an Image Forming Apparatus**. This device utilizes a hard first developing roller and a soft second developing roller in coordination with toner or single-component type developer. The sophisticated design, featuring fine magnetic N-S poles, ensures the toner forms a uniform layer and minimizes image deterioration, enhancing the quality of printed materials.

Career Highlights

Yoshiaki Tanaka has made significant strides in the technology industry, having worked with reputable companies such as Ricoh Company, Ltd. and Epson Toyocom Corporation. His tenure in these organizations has allowed him to apply his expertise and innovate new technologies that meet modern demands.

Collaborations

Throughout his career, Tanaka has collaborated with notable professionals, including Iwao Matsumae and Hiroshi Hosokawa. These partnerships have fostered a creative environment that has resulted in the development of cutting-edge technologies in their respective fields.

Conclusion

Yoshiaki Tanaka's impressive patent portfolio and career history underscore his role as an influential inventor in piezoelectric and imaging technologies. His innovative spirit and collaborative efforts continue to pave the way for advancements that enhance technology and improve user experiences. His contributions remain significant in the landscape of modern invention.

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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