Company Filing History:

9 out of 71

Tamagawa Seiki Kabushiki Kaisha

patents

4 out of 21

Tamagawa Seiki Co., Ltd.

where one patent can have more than one assignee

Years Active: 1997-2025

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12191872 - R/D conversion method and R/D converter (2025-01-07),

2. 11253947 - Magnet wire bonding method and bonding structure (2022-02-22),

3. 10084472 - Phase modulation-type redundant two-phase-output resolver and signal output method thereof (2018-09-25),

4. 7388527 - Method of detecting abnormality of R/D converter (2008-06-17),

5. 7123175 - Angle detection apparatus computing phase differences between first and second phase angles (2006-10-17),

6. 6891492 - Method of converting an analog signal into a digital signal (2005-05-10),

7. 6774593 - Sensor system for controlling a motor (2004-08-10),

8. 6707401 - Calculation processing device of resolver signal (2004-03-16),

9. 6608573 - Automatic resolution changing method and circuit for use in digital conversion of two-phase sinusoidal wave signals (2003-08-19),

10. 6278388 - Method of converting an analog signal to digital signal by digitalizing error deviation (2001-08-21),

11. 5815424 - Digital angle conversion method (1998-09-29),

12. 5796357 - Digital angle detecting method (1998-08-18),

13. 5637998 - Digital system for detecting angular position (1997-06-10),

Title: Innovations of Hiroshi Kushihara: A Pioneer in R/D Conversion and Magnet Wire Bonding

Introduction

Hiroshi Kushihara, an esteemed inventor hailing from Nagano-ken, Japan, has made significant contributions to the fields of electronics and materials engineering. With a remarkable portfolio of 13 patents, Kushihara is recognized for his innovative approaches to signal conversion and bonding methods.

Latest Patents

Two of his most recent patents reflect his expertise and innovative spirit. The first patent is an R/D conversion method and its corresponding R/D converter. This method involves the removal of a specific frequency band from a digital angle value, enabling improved accuracy in resolving signals. The resolver outputs signals that exhibit a phase difference correlating to the resolver's angle, thus enhancing the conversion process.

The second patent addresses a magnet wire bonding method and structure. This invention focuses on the ultrasonic bonding of a longitudinal outer peripheral surface of a magnet wire to a terminal pin's flat surface. By preventing entanglement and utilizing a specialized terminal pin, the method has improved the efficiency of bonding processes in electrical components.

Career Highlights

Kushihara's noteworthy career includes significant roles at Tamagawa Seiki Kabushiki Kaisha and Tamagawa Seiki Co., Ltd. His work has been instrumental in developing advanced technologies that address real-world engineering challenges.

Collaborations

Throughout his career, Kushihara has collaborated with notable professionals like Hirofumi Maruyama and Shinichi Arai. Together, they have pushed the boundaries of innovation and contributed to the success of the projects they undertook.

Conclusion

Hiroshi Kushihara stands out as a dedicated inventor whose patents showcase his commitment to innovation. His contributions in R/D conversion methods and magnet wire bonding reflect his profound understanding of technology and its practical applications. With continued advancements in his field, Kushihara's legacy is poised to inspire future generations of inventors.

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1 patent (EPO):

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