Company Filing History:

18 out of 52,730

Kabushiki Kaisha Toshiba

patents

2 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

Years Active: 1981-2003

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6664941 - Amplifier circuit and liquid-crystal display unit using the same (2003-12-16),

2. 6549196 - D/A conversion circuit and liquid crystal display device (2003-04-15),

3. 6480178 - Amplifier circuit and liquid-crystal display unit using the same (2002-11-12),

4. 6072416 - Analog-to-digital converter circuit (2000-06-06),

5. 5933033 - Signal processing apparatus capable of reducing conversion error of a (1999-08-03),

6. 5857178 - Neural network apparatus and learning method thereof (1999-01-05),

7. 5623279 - Capacitive load driving circuit including input selection circuit and (1997-04-22),

8. 5481212 - Sample-and-hold circuit device (1996-01-02),

9. 5459817 - Neural network with learning function based on simulated annealing and (1995-10-17),

10. 5376841 - Sample-and-hold circuit device (1994-12-27),

11. 5343089 - Sample-and-hold circuit device (1994-08-30),

12. 5319738 - Neural network device (1994-06-07),

13. 5289401 - Analog storage device for artificial neural network system (1994-02-22),

14. 5220641 - Multi-layer perceptron circuit device (1993-06-15),

15. 5162670 - Sample-and-hold circuit device (1992-11-10),

Title: The Innovative Mind of Takeshi Shima

Introduction

Takeshi Shima, located in Sagamihara, Japan, is a prolific inventor with a remarkable portfolio of 20 patents. His contributions to the fields of electronics and display technology have made a significant impact, particularly in the development of amplifier circuits and D/A conversion circuits.

Latest Patents

Among his latest patents, the **Amplifier Circuit and Liquid-Crystal Display Unit Using the Same** features an innovative design that includes an input stage and an output stage, cascade-connected between a signal input terminal and a signal output terminal. The circuit encompasses an input amplification stage, an output amplification stage, and a resistor circuit, effectively enhancing the performance of capacitive loads in liquid-crystal display units.

Another noteworthy patent is the **D/A Conversion Circuit and Liquid Crystal Display Device**. This high-speed D/A conversion circuit is characterized by its ability to perform conversions with remarkable precision, employing elements such as an analog reference power supply, an output buffer, a multiplexer, a pre-buffer, and a current changeover switch. This intricate design enables the pre-buffer to operate with a separate power supply voltage, thereby minimizing fluctuations in output voltage.

Career Highlights

Takeshi has garnered valuable experience throughout his career, working with prominent companies such as Toshiba Corporation and Tokyo Shibaura Denki Corporation. His roles in these organizations have not only honed his skills in electronic designs but have also allowed him to contribute to groundbreaking advancements in technology.

Collaborations

Throughout his career, Takeshi Shima has had the opportunity to collaborate with talented professionals, including Tetsuro Itakura and Yukio Kamatani. These collaborations have fostered a creative environment that has led to the development of innovative solutions in their respective fields.

Conclusion

Takeshi Shima stands out as an influential inventor in the realm of electronics and display technology. His numerous patents and collaborative efforts with leading companies and talented individuals illustrate his dedication to innovation and his passion for pushing the boundaries of technological advancements. As he continues to innovate, the industry eagerly anticipates what groundbreaking contributions he will make in the future.

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