This inventor holds 6 USPTO granted patents. Top assignees: Tohoku Ricoh Co., Ltd., Canon Aptex, Ricoh Company, Ltd.. Active years: 1989-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shiroishi, JP (1989 - 2001)
- Shibata-gun, JP (2004)
- Miyagi, JP (2009 - 2010)
Company Filing History:

Years Active: 1989-2010
Title: Toshiharu Hasegawa: Innovator in Stencil Printing Technology
Introduction
Toshiharu Hasegawa, an accomplished inventor based in Miyagi, Japan, has made significant contributions to the field of stencil printing. With a total of six patents to his name, he has developed innovative solutions that enhance printing efficiency and master consumption. His inventions reflect a deep understanding of printing technologies and their applications.
Latest Patents
Hasegawa's latest inventions include a stencil printing apparatus designed for both duplex and simplex printing. This innovative apparatus suppresses master consumption by automatically switching between simplex printing, which utilizes a simplex master, and single-step duplex printing with a duplex master. The system comprises a printing drum and pressing means, optimizing the printing process based on master and sheet information.
Another notable invention by Hasegawa is a stencil printing apparatus that facilitates duplex printing. In this device, a front surface printing process is performed on a sheet of paper, which is then re-fed for a rear surface printing process. The unique feature of this apparatus allows the positions of the front and rear surface images to be adjusted in a single direction along the sheet’s conveyance path, streamlining the printing process.
Career Highlights
Throughout his career, Toshiharu Hasegawa has worked with several reputable companies, including Tohoku Ricoh Co., Ltd. and Canon Aptex. His experience in these organizations has enriched his expertise in printing technologies and provided a solid foundation for his innovative endeavors.
Collaborations
Hasegawa has collaborated with notable colleagues such as Hiromi Omura and Tomoya Otomo. These partnerships have likely facilitated a sharing of ideas and techniques, contributing to the advancement of their respective projects in stencil printing technology.
Conclusion
Toshiharu Hasegawa stands out as a significant inventor in the domain of stencil printing. His latest patents showcase his ability to enhance printing methods, showcasing innovation that meets the needs of modern printing applications. Through his career in reputable companies and collaborations with influential coworkers, Hasegawa continues to make a mark on the industry, promising future advancements in printing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile