Tachikawa, Japan

Toshikazu Tachibana

This inventor holds 19 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Hitachi Device Engineering Co., Ltd., Renesas Technology Corp., Hitachi, Ltd.. Active years: 1993-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Tachibana. Retrieved from https://idiyas.com/inventor/toshikazu-tachibana

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

Calculating rank

% Patents Active = 63.2

Average Co-Inventor Count = 3.9

ph-index = 7

Forward Citations = 206(Granted Patents)


Location History:

  • Hinode-machi, JP (1997)
  • Nanae, JP (2009)
  • Tachikawa, JP (1993 - 2012)
  • Tokyo, JP (2016 - 2017)

Company Filing History:


Years Active: 1993-2017

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Areas of Expertise:
Driver IC
Display Panel
Semiconductor Device
Electronic Device
Memory Circuit
Integrated Circuit
Display Drive Control
Output Buffer Circuit
Manufacturing Method
Stand-By Current
Liquid Crystal Display
LSI
19 patents (USPTO):Explore Patents

Title: **Toshikazu Tachibana: A Pioneer in Semiconductor Innovations**

Introduction

Toshikazu Tachibana, based in Tachikawa, Japan, is a prolific inventor in the semiconductor industry with a remarkable portfolio of 19 patents. His contributions have significantly impacted the field of display and touch panel technology, showcasing his commitment to advancing innovation in these areas.

Latest Patents

Among his latest inventions, Tachibana has developed a **Driver IC for display panel**, which enhances the performance of display technologies. This innovation allows for alternating inputs to a pair of differential input terminals of a driving circuit, ensuring that brightness information is accurately maintained across the pixels of each display line. The technique effectively minimizes visual brightness differences, even as the frame cycle is extended.

Another notable patent is related to a **Semiconductor device and electronic device** focusing on a touch panel controller. This invention integrates a touch panel with drive and detection electrodes, utilizing a two-edge detection mode that significantly speeds up touch detection and improves its accuracy. By carefully managing signal polarity and integration capacitance, this controller marks a substantial advancement in touch panel technology.

Career Highlights

Tachibana has had a distinguished career, with significant time spent at prominent companies such as Hitachi Device Engineering Co., Ltd. and Renesas Technology Corporation. These positions allowed him to develop and refine his technical expertise while contributing to major advancements in semiconductor devices.

Collaborations

Throughout his career, Tachibana has collaborated with esteemed colleagues, including Takesada Akiba and Masashi Horiguchi. These partnerships have fostered an environment of shared innovation and have been critical to the success of his projects and patents.

Conclusion

Toshikazu Tachibana's contributions to the semiconductor industry represent the essence of innovation and inventive spirit. His numerous patents not only highlight his skills as an inventor but also establish him as a key figure in the development of modern display and touch technologies. As the industry continues to evolve, Tachibana's work will undoubtedly influence future advancements in the field.

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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