Yoshiyuki Okada

This inventor holds 24 USPTO granted patents and 1 published patent application, primarily in Inkjet Printing Technology. Top assignees: Riso Kagaku Corporation, Hokkaido University. Active years: 2001-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Okada. Retrieved from https://idiyas.com/inventor/yoshiyuki-okada-duk98fxl

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

Calculating rank

USPTO Granted Patents = 24 (Patent Applications = 1)

% Patents Active = 83.3

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 64(Granted Patents)

Location History:

Amimachi, JP (2001 - 2002)
Tokyo, JP (2002)
Inashiki-gun, JP (2012 - 2013)
Ibaraki-ken, JP (2002 - 2015)
Tsukuba, JP (2023)
Ibaraki, JP (2014 - 2024)

Company Filing History:

23 out of 1,087

Riso Kagaku Corporation

Years Active: 2001-2025

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Areas of Expertise:

Inkjet Printer

Image Processing

Density Adjustment

Barcode Printing

Printing Controller

Stencil Printing

Medium Feeding

Heat-Sensitive Stencil

Conveying Apparatus

Printing Method

Control Method

Sheet Discharger

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12423640 - Delivery item information management system, method, apparatus, and program for managing delivery item information, and printing apparatus (2025-09-23),

2. 12187566 - Conveying apparatus (2025-01-07),

3. 11878894 - Sheet discharger (2024-01-23),

4. 11629019 - Medium feeding apparatus (2023-04-18),

5. 9352555 - Inkjet printer (2016-05-31),

6. 9126419 - Image processing device and image processing method (2015-09-08),

7. 9064203 - Printing controller for enabling printer to perform printing processing, has region specifying unit to specify region having specific image data, color determiner, and predetermined processor to apply density reduction of pixel (2015-06-23),

8. 8885216 - Printing method and printing processor for color images (2014-11-11),

9. 8727529 - Barcode printing control device (2014-05-20),

10. 8646868 - Inkjet recording apparatus and density adjustment method thereof (2014-02-11),

11. 8537422 - Image data generation method and device, and stencil printing apparatus, with density conversion based on pressing pressure based on recording medium width or thickness (2013-09-17),

12. 8424990 - Printer and control method thereof (2013-04-23),

13. 8308285 - Inkjet printer (2012-11-13),

14. 8235495 - Printer (2012-08-07),

15. 8201921 - Printing apparatus (2012-06-19),

Title: Yoshiyuki Okada - Innovative Inventor from Ibaraki-ken, Japan

Introduction: Yoshiyuki Okada is a renowned inventor hailing from Ibaraki-ken, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yoshiyuki Okada holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Okada has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Yoshiyuki Okada has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Yoshiyuki Okada's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology in Japan and beyond.

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]

1 patent pending: