Company Filing History:

21 out of 42,485

Hitachi, Ltd.

1 out of 832,680

Other

patents

Years Active: 1976-2003

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23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6600978 - Railway vehicle operation-control system and a railway vehicle using the operation control system (2003-07-29),

2. 6414370 - Semiconductor circuit preventing electromagnetic noise (2002-07-02),

3. 6353258 - Semiconductor module (2002-03-05),

4. 6353236 - Semiconductor surge absorber, electrical-electronic apparatus, and power module using the same (2002-03-05),

5. 6304472 - Electric power converting system with integrator providing output indicative of current (2001-10-16),

6. 6271709 - Gate drive circuit of voltage drive switching element (2001-08-07),

7. 6204717 - Semiconductor circuit and semiconductor device for use in equipment such as a power converting apparatus (2001-03-20),

8. 6169672 - Power converter with clamping circuit (2001-01-02),

9. 5929519 - Semiconductor module including switching device chips and diode chips (1999-07-27),

10. 5801936 - Semiconductor module for a power conversion device (1998-09-01),

11. 5731970 - Power conversion device and semiconductor module suitable for use in the (1998-03-24),

12. 5459655 - Neutral-point clamped inverter device using semiconductor modules (1995-10-17),

13. 5274541 - Parallel circuit module including a diode and an IGBT (1993-12-28),

14. 5210479 - Drive circuit for an insulated gate transistor having overcurrent (1993-05-11),

15. 4651189 - Semiconductor device provided with electrically floating control (1987-03-17),

Title: **Innovations by Shin Kimura: A Trailblazer in Railway Technology and Semiconductor Devices**

Introduction

Shin Kimura, based in Hitachi, Japan, is a renowned inventor with a remarkable portfolio of 23 patents. His contributions span significant advancements in railway vehicle control systems and semiconductor technologies, reflecting his expertise and innovative mindset.

Latest Patents

Among his latest patents is a **Railway Vehicle Operation-Control System**, which features a central processing unit connected to multiple devices through information communication means. This system includes an operational state-monitoring function that relays information about each device’s operational status back to the central unit. The system optimally allocates control variables based on real-time monitoring, ensuring efficiency and performance consistency.

Another notable patent is a **Semiconductor Circuit Preventing Electromagnetic Noise**. This semiconductor device exhibits unique current-voltage characteristics, allowing for controlled current flow under specific voltage conditions. The innovation effectively mitigates electromagnetic noise and voltage spikes, thus enhancing the reliability of electronic systems.

Career Highlights

Shin Kimura has made significant strides in his field through his tenure at Hitachi, Ltd. Here, he applied his creative talents to develop technologies that have elevated the standards in railway and semiconductor industries. His relentless pursuit of innovation has laid the groundwork for many advancements that follow.

Collaborations

Throughout his career, Kimura has collaborated with accomplished professionals, notably Mutsuhiro Mori and Kiyoshi Nakata. These partnerships have fostered an environment of shared knowledge and innovation, further driving the progress of technology in their respective fields.

Conclusion

Shin Kimura's extensive body of work and patent contributions exemplify the impact an inventor can have on technology and industry. His innovations not only enhance operational efficiency and reliability but also inspire future generations of inventors to push the boundaries of what is possible in railway and semiconductor technology.

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