Kanagawa, Japan

Shuichi Ohtsuka

USPTO Granted Patents = 65 


 

Average Co-Inventor Count = 2.0

ph-index = 15

Forward Citations = 925(Granted Patents)

Forward Citations (Not Self Cited) = 912(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Asaka, JA (1977)
  • Asaka, JP (1983 - 1985)
  • Kasei, JP (1985)
  • Kaisei, JP (1984 - 1988)
  • Ashigarakami, JP (1985 - 1989)
  • Kaisei-machi, JP (2002 - 2006)
  • Kanagawa-ken, JP (1997 - 2011)
  • Kanagawa, JP (1985 - 2015)
  • Ashigarakami-gun, JP (2012 - 2016)

Company Filing History:


Years Active: 1977-2016

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Areas of Expertise:
Ink Jet Printing
Image Capturing Apparatus
Electronic Album Display
Image Processing
Network Photograph Service
Color Reproduction
Electrophotographic Film
Image Encrypting
Print Order Reception
Document Illuminating Apparatus
Image Transmitting
Developer Treatment
65 patents (USPTO):Explore Patents

Title: Innovations by Shuichi Ohtsuka in Inkjet Printing Technology

Introduction

Shuichi Ohtsuka is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to inkjet printing technology. With an impressive portfolio of 65 patents, Ohtsuka has pioneered innovative methods that enhance printing quality and efficiency.

Latest Patents

Ohtsuka's latest patents showcase his expertise in developing advanced printing methods. One notable invention is a printing method using white particles, which incorporates a process of aggregating white particles in ink to increase optical reflectance on colored printing mediums. This method utilizes both a first and a second aggregating agent, ensuring that the dye ink is effectively combined with the aggregated white particles for superior print outcomes.

Another significant patent is the method and device for achieving color development on print media through inkjet printing. This innovative technique involves using a penetrant without color material to control the distribution of the color material within the print medium as the ink is applied. Such advancements demonstrate Ohtsuka's commitment to improving the functionality and quality of inkjet printing.

Career Highlights

Ohtsuka has had a distinguished career within leading companies in the field of imaging technology, including Fuji Photo Film Company, Limited, and Fujifilm Corporation. His work in these organizations has notably propelled advancements in printing technology, significantly impacting the industry.

Collaborations

Throughout his career, Shuichi Ohtsuka has collaborated with esteemed colleagues such as Kazuo Shiota and Nobuyoshi Nakajima. These partnerships have been vital in fostering innovation and achieving breakthroughs in their field of expertise.

Conclusion

Shuichi Ohtsuka remains an influential figure in the realm of inkjet printing, with his extensive patent portfolio underscoring his inventive prowess. His continuous innovations not only enhance printing technology but also pave the way for future developments in the industry.

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