Ando, Japan

Toshio Tatsumichi

This inventor holds 6 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Tatsumichi. Retrieved from https://idiyas.com/inventor/toshio-tatsumichi

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 167(Granted Patents)


Location History:

  • Ando, JA (1977)
  • Ando, JP (1982 - 1984)
  • Nara, JP (1988)
  • Ikoma, JP (1992)

Company Filing History:


Years Active: 1977-1992

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6 patents (USPTO):Explore Patents

Title: The Innovations of Toshio Tatsumichi

Introduction

Toshio Tatsumichi is a prominent inventor based in Ando, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 6 patents. His work has been instrumental in advancing display technologies that are widely used today.

Latest Patents

One of his latest patents is for a liquid crystal display with compensation means of multiaxially elongated. This innovative display comprises a liquid crystal panel with a liquid crystal layer situated between electrode layers, along with polarizers on both sides. A solid birefringent film is included, which has a maximum refractive index direction that varies with depth. This film compensates for the dependence of polarization characteristics on wavelength, enabling the display to achieve either a monochrome output or a display with minimal coloration. Another notable patent involves a method of producing a substrate structure for a large-size display panel. This method includes conveying a transparent substrate through a vacuum chamber while forming a patterned transparent conductive film on its surface. The process allows for efficient production of large display panels.

Career Highlights

Toshio Tatsumichi is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovations in electronics and technology. His work at this esteemed organization has allowed him to contribute to groundbreaking advancements in display technology.

Collaborations

Throughout his career, Toshio has collaborated with notable colleagues such as Hiroshi Kawarada and Isao Ota. These collaborations have further enriched his work and led to significant advancements in their respective fields.

Conclusion

Toshio Tatsumichi's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his role as a key figure in advancing display technologies.

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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