Kamagaya, Japan

Rikichi Murooka

This inventor holds 6 USPTO granted patents. Top assignees: Sony/tektronix Corporation, Tektronix, Inc.. Active years: 1980-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rikichi Murooka. Retrieved from https://idiyas.com/inventor/rikichi-murooka

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 = 2.1

ph-index = 5

Forward Citations = 150(Granted Patents)


Location History:

  • Komae, JP (1980)
  • Kamagaya, JP (1982 - 1983)
  • Chiba, JP (1982 - 1988)

Company Filing History:


Years Active: 1980-1988

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6 patents (USPTO):Explore Patents

Title: The Innovations of Rikichi Murooka

Introduction

Rikichi Murooka is a notable inventor based in Kamagaya, Japan. He has made significant contributions to the field of technology, particularly in the areas of analog-to-digital conversion and logic analysis. With a total of six patents to his name, Murooka's work has had a lasting impact on the industry.

Latest Patents

Murooka's latest patents include a method and apparatus for calibrating an analog-to-digital conversion. This innovation involves calibrating the phase relation of clock signals applied to an interleave type analog-to-digital conversion apparatus with multiple converters. By applying a repetitive reference signal, the digital values from the converters are selected at corresponding sampling points, ensuring that the selected digital values are substantially equal. Another significant patent is a logic analyzer that features search and comparison capabilities. This device displays input logic signals on a cathode ray tube and allows users to control cursor positions to analyze relationships between predetermined phenomena and the cursor position.

Career Highlights

Throughout his career, Murooka has worked with prominent companies such as Sony, Tektronix Corporation, and Tektronix, Inc. His experience in these organizations has contributed to his expertise and the development of his innovative patents.

Collaborations

Murooka has collaborated with notable individuals in the field, including Yasumori Ishijima and Sumio Takeuchi. These collaborations have likely enriched his work and led to further advancements in technology.

Conclusion

Rikichi Murooka's contributions to technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovations continue to influence the industry and pave the way for future advancements.

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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