Yokohama, Japan

Seiji Yamada

This inventor holds 5 USPTO granted patents. Top assignees: Kyocera Corporation, Dai Nippon Toryo Co., Ltd., Mitsubishi Yuka Fine Chemicals Co., Ltd.. Active years: 1985-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Yamada. Retrieved from https://idiyas.com/inventor/seiji-yamada-sl6jf64l

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

Calculating rank

% Patents Active = 80.0

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Daito, JP (2015)
  • Yokohama, JP (1985 - 2020)

Company Filing History:


Years Active: 1985-2020

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5 patents (USPTO):Explore Patents

Title: Seiji Yamada: Innovator in Electronic Devices

Introduction

Seiji Yamada is a distinguished inventor based in Yokohama, Japan, known for his contributions to the field of electronic devices. With a total of five patents to his name, Yamada has made significant advancements in imaging technology and mobile electronic apparatuses.

Latest Patents

Yamada’s latest patents showcase his innovative approach to technology. One notable patent is an electronic device that integrates an imaging device and a processor. This device is designed to capture images at various focal distances, allowing the processor to identify multiple focus identification regions through image comparison. Additionally, it interpolates focal distances for regions that do not belong to these identified areas, enhancing image clarity.

Another remarkable patent involves a mobile electronic apparatus that features a display with an input unit. This apparatus allows for user-friendly interaction by detecting operations on the display area. A mode change element is strategically placed adjacent to the display's edges, enabling the processor to scale down the display screen in response to user actions, ensuring a seamless user experience.

Career Highlights

Throughout his career, Seiji Yamada has been associated with prominent companies such as Kyocera Corporation and Dai Nippon Toryo Co., Ltd. His work in these organizations has contributed to the development of innovative technologies in the electronics sector, reflecting his commitment to advancing industry standards.

Collaborations

Yamada has collaborated with notable colleagues, including Masaki Tano and Masayoshi Kondo. These professional relationships have fostered a collaborative environment that promotes creativity and innovation within the projects he has undertaken.

Conclusion

Seiji Yamada stands out as a prolific inventor whose work in electronic devices continues to shape the future of technology. With his five patents, he demonstrates a strong dedication to innovation, which not only enhances user experiences but also contributes to the advancement of electronic devices. His career achievements and collaborations highlight the impact of his work in the industry.

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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