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For the Inventor, By the Inventor

Nagano, Japan

Seiichi Hirano

This inventor holds 13 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1992-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Hirano. Retrieved from https://idiyas.com/inventor/seiichi-hirano-yy44zldw

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 92.3

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 74(Granted Patents)


Location History:

  • Suwa, JP (1993 - 1996)
  • Nagano, JP (1992 - 2008)

Company Filing History:

goldMedal13 out of 34,305 
 
Seiko Epson Corporation
 patents

Years Active: 1992-2008

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13 patents (USPTO):Explore Patents
1. RE40581 - Printer including an ink cartridge (2008-11-24),
2. RE38926 - Printer including an ink cartridge (2005-12-26),
3. 6206500 - Printer having a guide plate for transporting waste ink (2001-03-27),
4. 6027204 - Printer including an ink cartridge (2000-02-22),
5. 5946016 - Printer sheet discharge method (1999-08-31),
6. 5850235 - Printer (1998-12-15),
7. 5742316 - Actuation mechanism and printer using same (1998-04-21),
8. 5648807 - Ink jet recording apparatus having an antismear sheet deformation (1997-07-15),
9. 5615873 - Paper feeder in a printer (1997-04-01),
10. 5524994 - Paper skew removal apparatus and a printer using the same (1996-06-11),
11. 5222724 - Paper feeder (1993-06-29),
12. 5211492 - Serial impact printer (1993-05-18),
13. 5108210 - Printer having multiple tractor mounting configurations (1992-04-28),

Title: The Innovative Mind of Seiichi Hirano: Patents That Revolutionized Printing

Introduction: Seiichi Hirano, an esteemed inventor based in Nagano, Japan, is recognized for his contributions to the field of printing technology. With an impressive portfolio of 13 patents, Hirano has demonstrated a remarkable ability to innovate within the industry, particularly by enhancing the functionality of ink jet printers.

Latest Patents: Among his latest inventions, Hirano developed a sophisticated ink jet printer that includes an innovative ink cartridge system. This printer features a carriage that traverses a print area, equipped with a head mounted on the carriage, and an ink cartridge that supplies ink to the head. A notable design element includes a lever which facilitates the mounting or demounting of the ink cartridge in relation to the carriage. Moreover, a stopper is integrated to halt the carriage's movement in instances where the cartridge mounting operation is not fully completed. This printer may also incorporate a resilient member to support the ink cartridge effectively.

Career Highlights: Seiichi Hirano has dedicated his career to advancing printing technologies, significantly impacting how ink jet printers function today. His tenure at Seiko Epson Corporation – a leading name in the printing industry – has placed him at the forefront of innovations that have streamlined and improved printing processes.

Collaborations: Throughout his career, Hirano has collaborated with talented individuals such as Susumu Murayama and Masanori Yoshida. These collaborations emphasize the importance of teamwork in driving forward the boundaries of technology and innovation within the sector.

Conclusion: Seiichi Hirano's influence on ink jet printing technology is evident through his numerous patents and continuous dedication to innovation. His work at Seiko Epson Corporation exemplifies the spirit of creativity and collaboration essential to technological advancements. As he continues to push the limits of printing technology, Hirano's legacy as a pioneering inventor is firmly established.

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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