This inventor holds 21 USPTO granted patents and 1 published patent application, primarily in Ink Jet Technology. Top assignee: Seiko Epson Corporation. Active years: 2000-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nagano-ken, JP (2007)
- Nagano, JP (2000 - 2014)
Company Filing History:
Years Active: 2000-2014
Areas of Expertise:
Title: **Innovative Contributions of Tsutomu Hashizume in Ink Jet Technology**
Introduction
Tsutomu Hashizume, based in Nagano, Japan, is a prominent inventor known for his innovative contributions to the field of ink jet technology. With an impressive portfolio of 21 patents, he has played a significant role in enhancing the performance and efficiency of ink jet recording heads.
Latest Patents
Hashizume's latest patents focus on advanced methods of manufacturing ink jet recording heads equipped with piezoelectric elements. One notable patent outlines a method that involves creating a laminated structure with a diaphragm, piezoelectric layer, and electrode layers. This method emphasizes the simultaneous etching of the second electrode layer and piezoelectric layer, allowing for precise exposure of the diaphragm. Another patent highlights the design of an ink jet recording head featuring a nozzle orifice for ink ejection, an ink chamber, and a diaphragm. The innovation lies in the uniform patterning of the piezoelectric thin film and the corresponding electrode, ensuring they maintain the same shape without a pattern shift, which optimizes performance.
Career Highlights
Hashizume is currently associated with Seiko Epson Corporation, a leader in printing technology. His work has been pivotal in pushing the boundaries of ink jet technology, leading to more reliable and efficient printing solutions. His patents reflect a deep understanding of both engineering and materials science, contributing to the development of sophisticated printing systems.
Collaborations
Throughout his career, Hashizume has collaborated with notable colleagues such as Tetsushi Takahashi and Yoshinao Miyata. These collaborations have enriched the research environment at Seiko Epson Corporation and have facilitated the successful realization of numerous innovations in ink jet technology.
Conclusion
Tsutomu Hashizume's contributions to the field of ink jet technology through his patents are a testament to his expertise and innovative spirit. As an inventor at Seiko Epson Corporation, his work continues to influence advancements in printing technology, paving the way for improved performance and new applications in various industries. His dedication to innovation serves as an inspiration to future generations of inventors and engineers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile