Tokyo, Japan

Hiroyuki Ishikawa

This inventor holds 20 USPTO granted patents and 2 EPO patents, primarily in Image Processing. Top assignees: Nec Corporation, Casio Computer Co., Ltd., Calsonic Corporation. Active years: 1984-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Ishikawa. Retrieved from https://idiyas.com/inventor/hiroyuki-ishikawa-u810g7gj

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

Calculating rank

% Patents Active = 90.0

 

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 167(Granted Patents)


Location History:

  • Tachikawa, JP (1999)
  • Tokyo, JP (1984 - 2022)

Company Filing History:


Years Active: 1984-2026

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Areas of Expertise:
Image Processing
Picture Compression
Moving Picture Encoding
Data Compression
Information Processing
High-Speed Motion
Radio Communication
Electronic Cash Register
Scene Change Detection
Magnetic Recording
Welding Method
Voice Data Output
20 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Hiroyuki Ishikawa

Introduction

Hiroyuki Ishikawa, based in Tokyo, Japan, is a prolific inventor with an impressive portfolio of 18 patents. His work primarily focuses on advancements in the fields of stem cell removal and vacuum processing apparatuses, showcasing a commitment to pushing the boundaries of technology and science.

Latest Patents

Ishikawa's latest innovations include a groundbreaking method for removing pluripotent cells from culture. This invention provides a reliable method for eliminating undifferentiated stem cells by utilizing a cell group that is cultivated in a specialized culture medium containing a photosensitizer. By irradiating the group with light of a specific wavelength, he has been able to selectively remove stem cells, which can include both embryonic stem cells (ES cells) and induced pluripotent stem cells (iPS cells). Furthermore, he has developed an efficient operating method for a vacuum processing apparatus. This technique enhances the transport and processing of multiple wafers in a linked vacuum processing system, minimizing the time required for the complete processing cycle through an optimized transport schedule.

Career Highlights

Throughout his career, Ishikawa has collaborated with renowned organizations, notably NEC Corporation and Casio Computer Co., Ltd. His work in these companies reflects a deep understanding of both technical and commercial aspects of innovations, contributing to the successful development and patenting of impactful technology.

Collaborations

Hiroyuki Ishikawa has had the opportunity to work alongside esteemed colleagues such as Hidehiro Matsumoto and Akira Takano. These collaborations have not only enriched his knowledge but have also resulted in significant technological advancements and patent applications in their respective fields.

Conclusion

Hiroyuki Ishikawa's contributions to innovation highlight his dedication to scientific progress and technology. His patents not only address pressing needs in the fields of stem cells and processing technologies but also pave the way for future research and development. As an inventor, Ishikawa exemplifies the spirit of innovation essential for the advancement of science 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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