Tomoyuki Tobita

This inventor holds 20 USPTO granted patents, primarily in Pressure Sensing Technology. Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation. Active years: 1985-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Tobita. Retrieved from https://idiyas.com/inventor/tomoyuki-tobita

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

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 406(Granted Patents)

Location History:

Katsuta, JP (1985 - 2000)
Hitachinaka, JP (1997 - 2008)

Company Filing History:

Hitachi-High-Technologies Corporation

patents

Years Active: 1985-2008

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Areas of Expertise:

Capillary Array Apparatus

Mass Spectrometer

Sample Dispensing Apparatus

Automatic Analyzer

Process State Detector

Semiconductor Pressure Sensor

Differential Pressure Transmitter

Fluid Measuring Apparatus

Integrated Multisensor

Static Pressure Detection

Combustion Control System

Process Condition Detection

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7422672 - Capillary array apparatus, method of manufacturing the same, and electrophoresis analysis method (2008-09-09),

2. 7053367 - Mass spectrometer (2006-05-30),

3. 7027935 - Sample dispensing apparatus and automatic analyzer using the same (2006-04-11),

4. 6580067 - Sample analyzing monitor and combustion control system using the same (2003-06-17),

5. 6016706 - Process state detector, semiconductor sensor and display device for (2000-01-25),

6. 5677493 - Composite condition detection apparatus for detecting static pressure, (1997-10-14),

7. 5672826 - Semiconductor pressure sensor (1997-09-30),

8. 5635649 - Multi-function differential pressure sensor with thin supporting base (1997-06-03),

9. 5621175 - Differential pressure transmitter having symmetrical construction (1997-04-15),

10. 5554809 - Process detection apparatus (1996-09-10),

11. 5531120 - Compact differential pressure transmitter having first and second damper (1996-07-02),

12. 5528940 - Process condition detecting apparatus and semiconductor sensor condition (1996-06-25),

13. 5477738 - Multi-function differential pressure sensor with thin stationary base (1995-12-26),

14. 5469749 - Multiple-function fluid measuring and transmitting apparatus (1995-11-28),

15. 5412992 - Differential pressure sensor capable of removing influence of static (1995-05-09),

Title: The Innovative Contributions of Tomoyuki Tobita

Introduction

Tomoyuki Tobita is a distinguished inventor based in Katsuta, Japan, known for his significant contributions to the fields of electrophoresis and mass spectrometry. With a remarkable portfolio of 20 patents, Tobita has developed innovative methods and apparatuses that have advanced scientific research and practical applications in analytical chemistry.

Latest Patents

Among his latest patents is a capillary array apparatus and a method of manufacturing the same, designed to enhance electrophoresis analysis. This apparatus maintains high reliability through repeated use of the same gel by effectively managing the heat transfer between the capillary and the electrode. By preventing thermal deterioration of the gel, his invention allows for precise temperature control during operations.

Another notable invention is a mass spectrometer utilizing an atmospheric pressure ion source. This groundbreaking device reduces the amount of un-vaporized droplets that reach the mass spectrometric section, thereby increasing the efficiency of ionization and analysis. The mass spectrometer features a series of specialized electrodes and sections that meticulously control pressure differences, ensuring high accuracy in mass measurement.

Career Highlights

Throughout his career, Tomoyuki Tobita has worked with prominent companies such as Hitachi, Ltd. and Hitachi High-Technologies Corporation. His tenure at these organizations has been marked by a commitment to innovation and excellence, resulting in patents that address complex challenges in scientific instrumentation.

Collaborations

Tobita has collaborated with notable figures in the field, including Yoshimi Yamamoto and Akira Nagasu. These collaborations have enabled him to refine his inventions and explore new avenues for technological advancement.

Conclusion

Tomoyuki Tobita's work exemplifies the spirit of innovation and the importance of scientific advancement in modern technology. His patents not only contribute to the academic community but also hold potential for diverse applications in various industries. As he continues to innovate, the impact of his inventions will undoubtedly be felt in the realms of research and technology for years to come.

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]