Katsuta, Japan

Toshihiro Ishizuka

This inventor holds 6 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Ishizuka. Retrieved from https://idiyas.com/inventor/toshihiro-ishizuka

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 = 4.3

ph-index = 4

Forward Citations = 71(Granted Patents)


Location History:

  • Katsuta, JP (1989 - 1993)
  • Hitachinaka, JP (2000 - 2006)

Company Filing History:


Years Active: 1989-2006

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toshihiro Ishizuka

Introduction

Toshihiro Ishizuka is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of mass spectrometry, holding a total of 6 patents. His work has advanced the technology used in various scientific applications, particularly in the analysis of chemical compounds.

Latest Patents

Ishizuka's latest patents include a mass spectrometer that utilizes an atmospheric pressure ion source. This innovative design reduces the amount of un-vaporized droplets that reach the mass spectrometric section. The mass spectrometer features an ionization section for ionizing samples at atmospheric pressure, along with multiple intermediate pressure sections and a high vacuum section for effective mass analysis. Additionally, he has developed an ion trap mass spectrometer that enhances sensitivity without compromising resolution. This design incorporates a mesh electrode and shield electrode to improve ion transmission efficiency and stability of detection signals.

Career Highlights

Throughout his career, Toshihiro Ishizuka has worked with prominent companies such as Hitachi, Ltd. and Hitachi High-Technologies Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in mass spectrometry.

Collaborations

Ishizuka has collaborated with esteemed colleagues, including Yasuo Wada and Masaru Tomioka. These partnerships have fostered a creative environment that has led to innovative solutions in the field of mass spectrometry.

Conclusion

Toshihiro Ishizuka's contributions to mass spectrometry through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in scientific research 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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