This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Seiko Epson Corporation. Active years: 1997-2002.
Location History:
- Nagano, JP (1997)
- Suwa, JP (1998)
- Nagano-ken, JP (2001 - 2002)
Company Filing History:
Years Active: 1997-2002
Title: Innovations of Hiroaki Tojo
Introduction
Hiroaki Tojo is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of printing technology, particularly in the development of inkjet recording apparatuses. With a total of 4 patents to his name, Tojo's work has had a substantial impact on the efficiency and quality of inkjet printing.
Latest Patents
Tojo's latest patents include an innovative inkjet recording apparatus. This printing apparatus features a print head equipped with multiple nozzles that eject ink droplets. It also includes a light detection unit that determines the active or inactive state of the nozzles based on whether the light beam is intercepted by ink droplets. The design allows for inspection of the nozzles while the print head moves at a fixed speed. Another notable patent is for an ink jet printer that produces multi-value outputs of multi-tone images. This printer utilizes two nozzle arrays and a driving unit controller to achieve precise control over the printing process, enabling the superposition of dots for enhanced image quality.
Career Highlights
Hiroaki Tojo has dedicated his career to advancing printing technology. His work at Seiko Epson Corporation has positioned him as a key figure in the development of innovative printing solutions. His patents reflect a deep understanding of both mechanical and electronic engineering principles, contributing to the evolution of inkjet technology.
Collaborations
Tojo has collaborated with notable colleagues such as Akira Takagi and Junichi Iida. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge printing technologies.
Conclusion
Hiroaki Tojo's contributions to the field of inkjet printing are noteworthy and have paved the way for advancements in printing technology. His patents demonstrate a commitment to innovation and excellence in engineering.