Konosuke Oishi

This inventor holds 17 USPTO granted patents, primarily in Mass Spectrometry. Top assignees: Hitachi, Ltd., Hitachi, Ltd. Hitachi Instrument Eng.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Konosuke Oishi. Retrieved from https://idiyas.com/inventor/konosuke-oishi

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 127(Granted Patents)

Location History:

Katsuta, JP (1978)
Mito, JP (1980 - 1998)

Company Filing History:

Hitachi, Ltd. Hitachi Instrument Eng.

patent

Years Active: 1978-1998

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Areas of Expertise:

Mass Spectrometer

Plasma Ion Source

Atomic Absorption Spectrophotometer

Spectrophotometric Analyzer

Multi-Element Analysis

Electromagnetic Shut-Off Valve

Light Source Modulation

Dual Monochromators

Spectral Source

Skimmer Cone Assembly

Plasma Mass Spectrometry

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5793039 - Mass spectrometer, skimmer cone assembly, skimmer cone and its (1998-08-11),

2. 5763877 - Analyzer using plasma and analysis method using plasma, interface used (1998-06-09),

3. 5616918 - Plasma ion mass spectrometer and plasma mass spectrometry using the same (1997-04-01),

4. 5308977 - Plasma mass spectrometer (1994-05-03),

5. 5283624 - Multi-element simultaneous analysis atomic absorption spectroscopy (1994-02-01),

6. 5148021 - Mass spectrometer using plasma ion source (1992-09-15),

7. 5108178 - Atomic absorption spectrophotometer and electromagnetic shut-off valve (1992-04-28),

8. 5104220 - Atomic absorption spectrophotometer and analyzing method (1992-04-14),

9. 4948250 - Atomic absorption spectrophotometer (1990-08-14),

10. 4890919 - Atomic absorption spectrophotometer (1990-01-02),

11. 4867562 - Atomic absorption spectrophotometer (1989-09-19),

12. 4840484 - Atomic absorption spectrophotometer with furnace at pressure equal or (1989-06-20),

13. 4728189 - Atomic absorption spectrophotometer (1988-03-01),

14. 4645341 - Double polarized light beam spectrophotometer of light source modulation (1987-02-24),

15. 4468121 - Spectrophotometric analyzer having dual monochromators (1984-08-28),

Title: The Innovative Contributions of Konosuke Oishi

Introduction

Konosuke Oishi is a prominent inventor based in Mito, Japan. He has made significant contributions to the field of mass spectrometry, holding a total of 17 patents. His work has advanced the technology used in analyzing samples through innovative designs and methods.

Latest Patents

Oishi's latest patents include a mass spectrometer and a skimmer cone assembly. One of his notable inventions involves a structure where plasma gas is supplied to a torch tube from an inert pressure vessel. The nebulizer absorbs a sample to vaporize it as an aerosol, which is then introduced into the plasma. The plasma interacts with a sampling cone, extracting an ion stream that is analyzed through a quadruple pole filter. This innovative approach enhances the efficiency and accuracy of mass spectrometry analysis.

Career Highlights

Throughout his career, Oishi has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Instrument Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of mass spectrometry.

Collaborations

Oishi has collaborated with notable colleagues, including Toyoharu Okumoto and Masamichi Tsukada. Their combined expertise has fostered advancements in the technologies they have developed together.

Conclusion

Konosuke Oishi's contributions to mass spectrometry and his innovative patents have significantly impacted the field. His work continues to inspire future advancements in technology and analysis methods.

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]