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For the Inventor, By the Inventor

Kanagawa, Japan

Juichi Shikunami

This inventor holds 6 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1984-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Juichi Shikunami. Retrieved from https://idiyas.com/inventor/juichi-shikunami

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 113(Granted Patents)


Location History:

  • Sagamihara, JP (1984)
  • Kanagawa, JP (1991 - 1994)
  • Miura-gun, JP (2000)
  • Kanagawa-ken, JP (1997 - 2004)

Company Filing History:

goldMedal6 out of 2,887 
 
Victor Company of Japan, Limited
 patents

Years Active: 1984-2004

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6 patents (USPTO):Explore Patents
1. 6718121 - Information signal processing apparatus using a variable compression rate in accordance with contents of information signals (2004-04-06),
2. 6038208 - Information recording disc recorded with signals at two different (2000-03-14),
3. 5592451 - Test-writing controlling method for optical disk recording device (1997-01-07),
4. 5276664 - Binarization apparatus for reproduced signal in reproduction apparatus (1994-01-04),
5. 5006703 - Reflective optical rotary encoder disc (1991-04-09),
6. 4486791 - Apparatus for optically reproducing signals recorded on a rotating (1984-12-04),

Title: Juichi Shikunami: Innovator in Information Signal Processing

Introduction

Juichi Shikunami is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of information signal processing, holding a total of 6 patents. His work has advanced the technology used in video disk recorders, showcasing his innovative approach to signal compression.

Latest Patents

One of Shikunami's latest patents is an information signal processing apparatus that utilizes a variable compression rate based on the contents of information signals. This technology is particularly relevant in video disk recorders, which compress video signals contained in television signals at predetermined rates for recording on optical disks. The apparatus features a probability calculating portion that weights signals according to the importance of the television signal contents. Additionally, a controlling portion adjusts the compression rate in compliance with this weight, enhancing the efficiency of the recording process.

Career Highlights

Shikunami is currently employed at the Victor Company of Japan, Limited, where he continues to develop innovative technologies. His work has not only contributed to the company's advancements but has also influenced the broader field of information processing.

Collaborations

Throughout his career, Shikunami has collaborated with esteemed colleagues such as Makoto Itonaga and Akira Nishizawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Juichi Shikunami's contributions to information signal processing exemplify the impact of innovation in technology. His patents and collaborative efforts continue to shape the future of video recording 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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