Nagano, Japan

Masanori Yoshida

This inventor holds 26 USPTO granted patents and 1 EPO patent, primarily in Inkjet Printing Technology. Top assignees: Seiko Epson Corporation, Seiko Epson Corporaition. Active years: 1994-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Yoshida. Retrieved from https://idiyas.com/inventor/masanori-yoshida-d2cojdla

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

Calculating rank

% Patents Active = 92.3


Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 470(Granted Patents)


Location History:

  • Suwa, JP (1995 - 2000)
  • Nagano, JP (1994 - 2005)
  • Nagano-Ken, JP (2002 - 2006)
  • Torrance, CA (US) (2008)

Company Filing History:


Years Active: 1994-2008

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Areas of Expertise:
Ink Cartridge
Ink Jet Printer
Double-Sided Printing
Control Unit
Motor Control
Recording Head
Print Control Method
Home Position Detection
Carriage Structure
Printing Apparatus
Waste Ink Transport
Loading Mechanism
26 patents (USPTO):Explore Patents

Title: Innovations by Masanori Yoshida: A Pioneer in Printer Technology

Introduction: Masanori Yoshida, hailing from Nagano-ken, Japan, is a notable inventor with a remarkable portfolio of 26 patents. His contributions primarily focus on advancements in printer technology, showcasing his innovative prowess and commitment to improving printing solutions.

Latest Patents: Among his most recent inventions are a series of patents related to ink jet printers. One such patent includes a design for a printer that features an ink cartridge supported by a carriage that moves along a print area. This design incorporates a lever for efficiently mounting or demounting the ink cartridge, as well as a stopper to ensure the carriage halts if the cartridge is not properly installed. Additionally, Yoshida has developed a control unit that enables rapid and precise stoppage of motor-driven components within printers. This unit includes speed control mechanisms and inertia calculation tools, ensuring optimal performance during various operational phases.

Career Highlights: Throughout his career, Masanori Yoshida has made significant contributions while working for prestigious companies such as Seiko Epson Corporation. His experience has allowed him to refine his skills and focus on developing innovative solutions that enhance printer functionality and efficiency.

Collaborations: Yoshida's journey in the field of invention has seen him collaborate with talented individuals, including coworkers Hitoshi Igarashi and Seiji Mochizuki. These partnerships have contributed to the successful development and implementation of numerous innovative technologies in the printing sector.

Conclusion: Masanori Yoshida's dedication to innovation in printer technology is evident through his extensive patent portfolio and collaborative efforts in the industry. His inventions continue to impact the field, paving the way for future advancements in printing solutions.

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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