Kawasaki, Japan

Eiichi Maeda

This inventor holds 6 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1988-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Maeda. Retrieved from https://idiyas.com/inventor/eiichi-maeda-cofoh4ez

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 = 1.6

ph-index = 6

Forward Citations = 320(Granted Patents)


Location History:

  • Kawanishi, JP (1988)
  • Kawasaki, JP (1992 - 1998)

Company Filing History:


Years Active: 1988-1998

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6 patents (USPTO):Explore Patents

Title: The Innovations of Eiichi Maeda

Introduction

Eiichi Maeda is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of technology, particularly in the areas of video and audio processing. With a total of 6 patents to his name, Maeda has demonstrated a commitment to innovation and advancement in electronic devices.

Latest Patents

One of Maeda's latest patents is a video image and audio sound signal processor that features a signal multiplexer. This invention allows for the sampling of audio sound signals in synchronism with the horizontal synchronizing signal of a video image signal. The sampled audio is multiplexed onto the video image signal, which is then converted into a digital signal by a single A/D converter. This multiplexed digital signal, containing both video and audio data, is subsequently processed into data blocks for efficient compression.

Another significant patent is for an electronic camera designed for photographing and recording images. This camera includes an image converting device, a voice converting device, and a data compressing and expanding device for both image and voice data. The design incorporates a sample-holding device and a pedestal level generating device, which work together to manage the output of audio and image signals effectively.

Career Highlights

Eiichi Maeda is currently associated with Ricoh Company, Ltd., where he continues to innovate and develop new technologies. His work has had a lasting impact on the field of electronic imaging and sound processing.

Collaborations

Throughout his career, Maeda has collaborated with notable colleagues such as Koubun Sakagami and Masafumi Tanaka. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

Eiichi Maeda's contributions to technology through his patents and innovations highlight his role as a leading inventor in the industry. His work continues to influence the development of electronic devices, particularly in video and audio processing.

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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