Shuichi Ohtsuka

This inventor holds 65 USPTO granted patents and 1 published patent application, plus 3 CIPO patents and 4 EPO patents, primarily in Image Processing (CPC class 355 ). Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1977-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuichi Ohtsuka. Retrieved from https://idiyas.com/inventor/shuichi-ohtsuka

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

USPTO Granted Patents = 65 (Patent Applications = 1)

% Patents Active = 86.2

CIPO Patents = 3

EPO Patents = 4 (Patent Applications = 1)

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:

50 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1977-2016

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Areas of Expertise:

Image Capturing

Color Reproduction

Electronic Album

Image Processing

Network Photograph Service

Print Order

Image Encrypting

Data Storage

Display Apparatus

Photographic Service

Image Transmitting

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9370936 - Printing method using white particles (2016-06-21),

2. 9022504 - Method and device for achieving color development on a print medium by ink jet printing (2015-05-05),

3. RE45077 - Network photograph service system (2014-08-11),

4. 8194120 - Image capturing apparatus, display apparatus, image capturing method, displaying method and program therefor (2012-06-05),

5. 8184156 - Image displaying system and apparatus for displaying images by changing the displayed images based on direction or direction changes of a displaying unit (2012-05-22),

6. 8111304 - Image capturing apparatus, image capturing method, and computer readable medium in which an image extracted in association with selected object information is displayed (2012-02-07),

7. 7945486 - Network photograph service system (2011-05-17),

8. 7885864 - Network photograph service system (2011-02-08),

9. 7697039 - Image transmitting system, an image transmitting method, and a machine readable medium storing thereon a computer program for transmitting images (2010-04-13),

10. 7663643 - Electronic album display system, an electronic album display method, and a machine readable medium storing thereon a computer program for displaying an electronic album (2010-02-16),

11. 7522153 - Displaying apparatus and control method (2009-04-21),

12. 7477805 - Electronic album display system, an image grouping apparatus, an electronic album display method, an image grouping method, and a machine readable medium storing thereon a computer program (2009-01-13),

13. 7474768 - Image processing apparatus, image processing method, and computer readable medium storing program (2009-01-06),

14. 7342678 - Print order reception system (2008-03-11),

15. 7262788 - Conference support system, information displaying apparatus, machine readable medium storing thereon a plurality of machine readable instructions, and control method (2007-08-28),

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.

Profile summary based on public USPTO records.