Mobara, Japan

Takaaki Unnai

This inventor holds 5 USPTO granted patents. Top assignees: Hitachi, Ltd., Nippon Hoso' Kyokai. Active years: 1981-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Unnai. Retrieved from https://idiyas.com/inventor/takaaki-unnai

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 = 5.1

ph-index = 3

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1981-1993

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5 patents (USPTO):Explore Patents

Title: Takaaki Unnai: Innovator in Image Pick-Up Technology

Introduction

Takaaki Unnai is a notable inventor based in Mobara, Japan. He has made significant contributions to the field of image pick-up technology, holding a total of five patents. His work has advanced the understanding and functionality of image pick-up apparatuses.

Latest Patents

Unnai's latest patents include an innovative image pick-up tube and an apparatus that utilizes this technology. The first patent describes an image pick-up apparatus that features a target portion with a photoconductive film on a substrate. This apparatus reads video information converted into an electric signal by an electron beam. An insulating region is incorporated to ensure that carriers generated in an ineffective scanned region do not appear on the surface of the target portion. The second patent outlines a method for fabricating an image pick-up tube and the target section used with it. This method involves a target that includes a conductive film and a photoconductive film on a substrate for photo-electric conversion. The signal from the target section is read by an electron beam scanning system, with a secondary electron emission dampening layer formed outside the effective scanning region.

Career Highlights

Throughout his career, Takaaki Unnai has worked with prominent companies such as Hitachi, Ltd. and Nippon Hoso Kyokai. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of imaging.

Collaborations

Unnai has collaborated with notable coworkers, including Tadaaki Hirai and Kenji Sameshima. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Takaaki Unnai's contributions to image pick-up technology through his patents and collaborations highlight his role as a significant inventor in this field. His work continues to influence advancements in imaging systems and 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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