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For the Inventor, By the Inventor

Yokohama, Japan

Tetsuya Ohnishi

This inventor holds 23 USPTO granted patents, primarily in Color Image Processing. Top assignee: Canon Kabushiki Kaisha. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Ohnishi. Retrieved from https://idiyas.com/inventor/tetsuya-ohnishi

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

USPTO Granted Patents = 23

% Patents Active = 95.7

Average Co-Inventor Count = 3.2

ph-index = 11

Forward Citations = 302(Granted Patents)


Company Filing History:

goldMedal23 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1989-2007

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Areas of Expertise:
Image Memory Apparatus
Color Image Processing
Image Forming System
Color Image Apparatus
Image Processing Apparatus
Multi-Image Processing
Resolution Control
Color Conversion
Visible Color Image
Character Identification
Selective Color Alteration
23 patents (USPTO):Explore Patents
1. 7167266 - Image memory apparatus (2007-01-23),
2. 6731403 - Color image process system, color image apparatus, color image processing method (2004-05-04),
3. 6067169 - Color image process system, color image apparatus, color image (2000-05-23),
4. 5784180 - Image memory apparatus (1998-07-21),
5. 5774235 - Image processing apparatus (1998-06-30),
6. 5726779 - Color image processing apparatus (1998-03-10),
7. 5703696 - Image memory apparatus (1997-12-30),
8. 5631983 - Image forming system for synthesizing color image data with binary image (1997-05-20),
9. 5602655 - Image forming system for single bit image data (1997-02-11),
10. 5483361 - Color image copying with resolution control (1996-01-09),
11. 5459589 - Color image processing apparatus (1995-10-17),
12. 5420703 - Color image processing system having multi-image processing capabilities (1995-05-30),
13. 5333068 - Image processing system (1994-07-26),
14. 5296946 - Image processing apparatus with color conversion means (1994-03-22),
15. 5270807 - Color image processing apparatus (1993-12-14),

Title: Tetsuya Ohnishi: A Pioneer in Image Processing Innovations

Introduction

Tetsuya Ohnishi is an accomplished inventor based in Yokohama, Japan, recognized for his significant contributions to the field of image processing. With a remarkable portfolio of 23 patents, Ohnishi continues to push the boundaries of technology at Canon Kabushiki Kaisha, a leader in imaging solutions.

Latest Patents

Among his latest innovations is the **Image Memory Apparatus**, which introduces a unit for storing input image information alongside a control system that manages the storage based on designated capacity. This advancement in image handling optimizes the efficiency of memory usage in devices. Additionally, his work on the **Color Image Process System, Color Image Apparatus, and Color Image Processing Method** has further revolutionized color image processing. This apparatus not only stores color image data but intelligently discriminates between devices that require parallel or color image data, allowing for seamless output management.

Career Highlights

Ohnishi’s career at Canon has been marked by a commitment to developing sophisticated imaging technologies that enhance user experience. His inventions have played a crucial role in evolving imaging techniques, enabling sharper and more accurate color reproduction while maintaining efficient data management.

Collaborations

Throughout his career, Tetsuya Ohnishi has collaborated with notable colleagues, including Toshihiro Kadowaki and Masanori Sakai. Together, they have contributed to innovative projects that have shaped Canon’s approach to imaging and technology, reflecting a spirit of teamwork that fosters creativity and breakthroughs in the industry.

Conclusion

Tetsuya Ohnishi's impact on the field of image processing through his impressive array of patents showcases his innovative spirit and dedication to advancing technology. As he continues to work with experts at Canon, his contributions will undoubtedly influence the future of imaging and set new standards within the industry.

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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