Company Filing History:

11 out of 929

Sumitomo Metal Industries, Inc.

patents

1 out of 10,317

Tokyo Electron Limited

patents

1 out of 832,812

Other

patents

Years Active: 1977-2007

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7161360 - Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus (2007-01-09),

2. 6828806 - Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus (2004-12-07),

3. 6335642 - Impedance-to-voltage converter (2002-01-01),

4. 6331780 - Static capacitance-to-voltage converter and converting method (2001-12-18),

5. 4673877 - Zirconium liner thickness measuring method and an apparatus therefor for (1987-06-16),

6. 4641092 - Rotary probe apparatus for detecting flaws in a test object (1987-02-03),

7. 4602212 - Method and apparatus including a flux leakage and eddy current sensor (1986-07-22),

8. 4337099 - Method and apparatus for conditioning of steel surface (1982-06-29),

9. 4336923 - Steel surface inspection apparatus (1982-06-29),

10. 4318439 - Hot steel cutting apparatus (1982-03-09),

11. 4247818 - Automatic sensitivity adjustment apparatus for calibration of a (1981-01-27),

12. 4127813 - Method for balancing the sensitivity of two channels in a differential (1978-11-28),

13. 4019130 - Method for measuring wear of cooling cell assembly (1977-04-19),

Title: Innovations of Tatsuo Hiroshima

Introduction

Tatsuo Hiroshima is a prominent inventor based in Narita, Japan. He has made significant contributions to the field of electrostatic capacitance sensors, holding a total of 13 patents. His work has advanced the technology used in various applications, showcasing his expertise and innovative spirit.

Latest Patents

Hiroshima's latest patents include an electrostatic capacitance sensor, an electrostatic capacitance sensor component, an object mounting body, and an object mounting apparatus. The electrostatic capacitance sensor features a detector that includes an operational amplifier with a feedback impedance circuit. This design incorporates a signal line connecting the operational amplifier to the electrostatic capacitance detector, along with an alternating-current signal generator. Additionally, the sensor is equipped with a shield to protect the signal line, enhancing its functionality. The detecting electrode is designed to identify objects, while the shield electrode provides necessary shielding for the system.

Career Highlights

Throughout his career, Tatsuo Hiroshima has worked with notable companies, including Sumitomo Metal Industries, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Hiroshima has collaborated with talented individuals such as Takahide Sakamoto and Toshiyuki Matsumoto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tatsuo Hiroshima's contributions to the field of electrostatic capacitance sensors exemplify his innovative mindset and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in engineering and invention.

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