Minoo, Japan

Takashi Seigenji

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Ricoh Company, Ltd.. Active years: 1989-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Seigenji. Retrieved from https://idiyas.com/inventor/takashi-seigenji

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1989-1992

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3 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Takashi Seigenji in Thermal Transfer Technology**

Introduction

Takashi Seigenji, an accomplished inventor based in Minoo, Japan, has made significant strides in the field of thermal transfer technology. With a total of three patents to his name, Seigenji's innovations have greatly impacted the printing industry. His latest inventions exemplify his dedication to enhancing printing efficiency and quality.

Latest Patents

Takashi Seigenji's most recent patent involves a **thermal transfer printing apparatus with a movable ink transfer pulling mechanism**. This innovative apparatus features a thermal head, an ink transfer medium with an ink layer, and a printing medium onto which the ink is transferred. The operation of the apparatus is facilitated by a platen that presses the ink transfer medium against the thermal head.

The thermal head itself consists of a substrate with multiple heating elements positioned near its end, connected by two electrode lines. These lines run opposite the substrate's end, ensuring optimal heat generation. A notable feature of this patent is the pulling out unit, which separates the ink transfer medium from the printing medium after it has passed the heating elements. Additionally, a direction change mechanism allows for the redirection of the ink transfer medium, enhancing the printing process.

Another key innovation from Seigenji includes the **thermal head of an end-heating type**, designed for use in printers and fax machines. This thermal head features a non-conductive substrate with upper and lower surfaces. It is equipped with spaced heat-generating resistors that create heat-generating dots, positioned along the front end face. The design allows for efficient electricity supply to the heat-generating resistors, which can be produced using conventional film formation techniques.

Career Highlights

Seigenji is currently employed at Ricoh Company, Ltd., where he continues to develop groundbreaking technologies for the printing industry. His inventive prowess has been recognized through multiple patents, all of which showcase his vision for practical and efficient printing solutions.

Collaborations

Throughout his career, Takashi Seigenji has collaborated with esteemed colleagues such as Hideo Azumai and Koichi Fujii. Together, they have worked towards advancing technologies that have the potential to redefine standards within the printing sector.

Conclusion

In summary, Takashi Seigenji’s contributions to thermal transfer technology underscore his innovative spirit and commitment to excellence. His patents reflect a deep understanding of the complexities of printing mechanics and a desire to enhance the user experience. As he continues to innovate at Ricoh Company, Ltd., the printing industry eagerly anticipates further developments from this talented inventor.

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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