Sagamihara, Japan

Takeshi Shima

This inventor holds 20 USPTO granted patents, primarily in Signal Processing. Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1981-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Shima. Retrieved from https://idiyas.com/inventor/takeshi-shima-qyvmtvn0

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

Calculating rank

% Patents Active = 95.0

Average Co-Inventor Count = 1.5

ph-index = 14

Forward Citations = 423(Granted Patents)


Location History:

  • Kanagawa, JP (1991 - 1996)
  • Sagamihara, JP (1981 - 2003)
  • Kanagawa-ken, JP (2000 - 2003)

Company Filing History:


Years Active: 1981-2003

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Areas of Expertise:
Amplifier Circuit
Liquid-Crystal Display
Analog-to-Digital Converter
Neural Network
Signal Processing
Sample-and-Hold Circuit
Multi-Layer Perceptron
Frequency Synthesizer
Digital Phase Comparator
Capacitive Load Driving
Control Circuit
Conversion Error Reduction
20 patents (USPTO):Explore Patents

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.

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]
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