Suwa, Japan

Chiyoshige Nakazawa

This inventor holds 34 USPTO granted patents and 4 EPO patents, primarily in Inkjet Technology. Top assignee: Seiko Epson Corporation. Active years: 1995-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiyoshige Nakazawa. Retrieved from https://idiyas.com/inventor/chiyoshige-nakazawa

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


% Patents Active = 82.4

 

Average Co-Inventor Count = 2.8

ph-index = 11

Forward Citations = 308(Granted Patents)


Location History:

  • Nagano, JP (1999 - 2005)
  • Suwa, JP (1995 - 2015)

Company Filing History:


Years Active: 1995-2015

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Areas of Expertise:
Ink Composition
Ink Cartridge
Ink Set
Ink Container
Recording Method
Inkjet Printer
Non-Aqueous Ink
Photocurable Ink
Polysilane Compound
Water-Soluble Ink
Drive Method
Control Method
34 patents (USPTO):Explore Patents

Title: Innovations of Chiyoshige Nakazawa: Pioneering Ink Technology

Introduction: Chiyoshige Nakazawa, based in Suwa, Japan, has made significant contributions to the field of ink technology, exemplified by his impressive portfolio of 34 patents. His work primarily focuses on the development of advanced ink compositions and recording processes, demonstrating a blend of creativity and technical expertise in the innovation landscape.

Latest Patents: Among Nakazawa's most recent patents are several methods and compositions that enhance ink-jet recording technologies. One notable patent details a method for forming an opaque layer on a recording medium, which involves discharging droplets of an ink composition containing a metallic pigment, followed by droplets of ink containing a white pigment. This innovative approach allows for overlapping layers, resulting in a superior opaque finish. Additionally, his patents encompass an ink set featuring oil-based ink compositions with metallic pigments, chromatic colors, blacks, and whites, further pushing the boundaries of ink-jet recording capabilities.

Career Highlights: Chiyoshige Nakazawa’s career is prominently marked by his tenure at Seiko Epson Corporation, renowned for its pioneering work in imaging technology. His dedication to enhancing recording processes has positioned him as a key player in the field, contributing valuable insights and innovations that influence the industry.

Collaborations: Nakazawa has worked alongside skilled colleagues such as Manabu Yamada and Takashi Oyanagi. Their collaborative efforts enhance the creative process, fostering an environment where innovative ideas flourish, leading to impactful advancements in ink technology.

Conclusion: Chiyoshige Nakazawa's body of work represents a significant advancement in ink technologies, especially in the realm of ink-jet recording processes. His continuous innovations and collaborative spirit at Seiko Epson Corporation promise to leave a lasting mark on the industry, paving the way for future developments that can redefine the standards of recording excellence.

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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