Kenzo Hiraoka

This inventor holds 12 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignees: University of Yamanashi, Bio Chromato, Inc., Ulvac-Phi, Incorporated. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenzo Hiraoka. Retrieved from https://idiyas.com/inventor/kenzo-hiraoka

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

USPTO Granted Patents = 12 (Patent Applications = 1)

% Patents Active = 58.3

EPO Patents = 5 (Patent Applications = 4)

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 64(Granted Patents)

Location History:

Yamanashi, JP (2006 - 2011)
Kofu, JP (2002 - 2016)

Company Filing History:

9 out of 100

University of Yamanashi

Ulvac-Phi, Incorporated

patents

4. 1 out of 1

Yamanashi Prefectural Federation of Societies of Commerce and Industry

where one patent can have more than one assignee

Years Active: 2002-2025

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12476100 - Ionization device, mass spectrometry system, and ionization method (2025-11-18),

2. 9372161 - Ion source, ion gun, and analysis instrument (2016-06-21),

3. 9111739 - Ionization method and apparatus using electrospray, and analyzing method and apparatus (2015-08-18),

4. 8871522 - Method for detecting hydrogen peroxide (2014-10-28),

5. 8853626 - Ionization apparatus and ionization analysis apparatus (2014-10-07),

6. 8450682 - Ionization method and apparatus using a probe, and analytical method and apparatus (2013-05-28),

7. 8253098 - Ionization analysis method and apparatus (2012-08-28),

8. 8030090 - Method and apparatus for selectively severing and analyzing non-covalent and other bonds of biological macromolecules (2011-10-04),

9. 7902499 - Ionization method and apparatus using electrospray (2011-03-08),

10. 7465920 - Ionization method and apparatus for mass analysis (2008-12-16),

11. 7091493 - Method of and apparatus for ionizing sample gas (2006-08-15),

12. 6472299 - Method and apparatus for treating a substrate with hydrogen radicals at a temperature of less than 40 K (2002-10-29),

Title: Kenzo Hiraoka: Innovator in Ionization Technology

Introduction

Kenzo Hiraoka is a prominent inventor based in Kofu, Japan, known for his significant contributions to the field of ionization technology. With a total of 11 patents to his name, Hiraoka has developed innovative solutions that enhance the capabilities of mass spectroscopy and ion analysis.

Latest Patents

Hiraoka's latest patents include an ion source, an ion gun, and an analysis instrument. These inventions are designed to perform sputtering without damaging the surface of a sample, thereby improving detection sensitivity in mass spectroscopy. The ion source features an emission opening supplied with ionization liquid, which generates super large droplet cluster ions in a vacuum environment. When a sample is irradiated with this ion beam, it undergoes sputtering without damage, effectively removing contaminants or exposing a new surface. Additionally, his ionization method and apparatus utilize electrospray techniques, allowing for the analysis of living tissue samples without pretreatment.

Career Highlights

Throughout his career, Kenzo Hiraoka has worked with notable institutions, including the University of Yamanashi and Yamanashi TLO Co. His work has significantly advanced the field of ionization and mass spectroscopy, making him a respected figure in the scientific community.

Collaborations

Hiraoka has collaborated with esteemed colleagues, including Lee Chuin Chen and Atsushi Takamizawa, contributing to the development of innovative technologies in his field.

Conclusion

Kenzo Hiraoka's contributions to ionization technology and mass spectroscopy have established him as a leading inventor in his field. His innovative patents continue to influence research and applications in various scientific domains.

Profile summary based on public USPTO records.