Nagano, Japan

Tetsushi Takahashi

This inventor holds 34 USPTO granted patents, primarily in Ink Jet Technology. Top assignee: Seiko Epson Corporation. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsushi Takahashi. Retrieved from https://idiyas.com/inventor/tetsushi-takahashi

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


% Patents Active = 61.8

Average Co-Inventor Count = 2.7

ph-index = 10

Forward Citations = 311(Granted Patents)


Location History:

  • Suwa, JP (1996 - 2003)
  • Shimosuwa-cho, JP (2010 - 2013)
  • Nagano, JP (1999 - 2014)
  • Nagano-ken, JP (2004 - 2014)

Company Filing History:


Years Active: 1996-2014

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Areas of Expertise:
Ink Jet Recording Head
Piezoelectric Element
Liquid Ejecting Apparatus
Manufacturing Method
Thin Film Element
Vibration Plate
Resolution Improvement
Crosstalk Reduction
Anisotropic Etching
Pressure Generating Chambers
Image Printing
Ink Jet Print Head
34 patents (USPTO):Explore Patents

Title: Tetsushi Takahashi: Innovator in Ink Jet Technology

Introduction: Tetsushi Takahashi, based in Nagano-ken, Japan, is a prominent inventor known for his significant contributions in the field of ink jet technology. With an impressive portfolio of 34 patents, Takahashi has demonstrated a strong commitment to innovation and excellence in engineering.

Latest Patents: Among his latest innovations, two noteworthy patents stand out. The first is a "Method of manufacturing an ink jet recording head having piezoelectric element". This method involves creating a laminated structure with a diaphragm, a piezoelectric layer, and electrodes, specifically designed to enhance the performance of ink jet recording heads. Key to this innovation is the etching process, which exposes parts of the diaphragm while simultaneously etching the piezoelectric layer and electrode layers.

The second patent is for a "Liquid ejecting head and liquid ejecting apparatus". This invention features a fluid channel formation substrate made from a silicon single crystal substrate, equipped with pressure generation units that work in sync to eject liquid drops efficiently. This technology improves the precision and reliability of ink jet applications, contributing to advancements in printing technology.

Career Highlights: Tetsushi Takahashi is currently affiliated with Seiko Epson Corporation, a leading company in the field of imaging and printing technologies. His work has not only advanced the capabilities of ink jet systems but also positioned Seiko Epson at the forefront of innovation in the industry.

Collaborations: Throughout his career, Takahashi has collaborated with notable colleagues, including Tsutomu Hashizume and Masato Shimada. Their collective expertise and innovative spirit have contributed to the success of various projects, further advancing the field of ink jet technology.

Conclusion: Tetsushi Takahashi’s contributions to the development of ink jet technology have established him as a key figure in the industry. With his extensive patent portfolio and collaborative efforts, he continues to influence the future of printing technology through innovation and precision.

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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