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For the Inventor, By the Inventor

Seoul, South Korea

Tack Don Han

This inventor holds 20 USPTO granted patents and 5 published patent applications, primarily in Image Processing Technology. Top assignees: Yonsei University, Colorzip Media, Inc., Samsung Electronics Co., Ltd.. Active years: 1993-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tack Don Han. Retrieved from https://idiyas.com/inventor/tack-don-han

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 90.0

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 219(Granted Patents)


Company Filing History:

goldMedal8 out of 1,493 
 
Yonsei University
 patents
silverMedal7 out of 10 
 
Colorzip Media, Inc.
 patents
bronzeMedal5 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
4. 2 out of 4 
 
Colorzip Technology Co., Ltd.
 patents
5. 1 out of 1,063 
 
Goldstar, Co., Ltd.
 patents
6. 1 out of 2,340 
 
Hyundai Electronics Industries Co. Ltd.
 patents
7. 1 out of 380 
 
Intellectual Discovery Co., Ltd.
 patents
8. 1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2016

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Areas of Expertise:
Ray Tracing
Image Rendering
Color Classification
Depth Image Rendering
3D Graphics Accelerator
Pixel Rasterization
Mixed Code Generation
Hybrid Tag Interface
Floating Point Arithmetic
Parallel Multiplier
Buffer Memory Unit
Pipeline Stall Prevention
20 patents (USPTO):Explore Patents
1. 9355491 - Ray tracing apparatus and method (2016-05-31),
2. 9342919 - Image rendering apparatus and method for preventing pipeline stall using a buffer memory unit and a processor (2016-05-17),
3. 8963920 - Image processing apparatus and method (2015-02-24),
4. RE44982 - Mixed code, and method and apparatus for generating the same (2014-06-30),
5. RE44139 - Method and apparatus for decoding mixed code (2013-04-08),
6. 7978911 - Method of classifying colors of color based image code (2011-07-12),
7. 7800608 - Depth image-based rendering method, medium, and system using splats (2010-09-21),
8. 7792371 - Method and device for generating image code and method and device for decoding image code (2010-09-07),
9. 7751629 - Method and apparatus for decoding mixed code (2010-07-06),
10. 7702162 - Mixed code, and method and apparatus for generating the same (2010-04-20),
11. 7487914 - Hybrid tag interface system and method using the hybrid tag interface (2009-02-10),
12. 7194499 - Pipelined divider and dividing method with small lookup table (2007-03-20),
13. 6981644 - Apparatus and method for recognizing code (2006-01-03),
14. 6839060 - Method and device of consistency buffer for high performance 3D graphic accelerator (2005-01-04),
15. 6791558 - Method and apparatus for processing pixel rasterization in three-dimensional rendering processor (2004-09-14),

Title: Innovator Tack Don Han: Pioneering Advances in Image Processing

Introduction: Tack Don Han, based in Seoul, South Korea, is an accomplished inventor with an impressive portfolio of 20 patents. His groundbreaking work primarily focuses on innovations in image processing and rendering technologies, which have significant implications across various industries.

Latest Patents: Among his latest contributions to technology are two notable patents:

1. **Ray Tracing Apparatus and Method** - This patent describes an advanced image processing apparatus designed to enhance ray tracing performance. It includes a splitting unit that divides an input three-dimensional (3D) model into multiple subspaces to create an acceleration structure. A decision unit prioritizes certain subspaces for faster ray traversal, optimizing image rendering efficiency.

2. **Image Rendering Apparatus and Method for Preventing Pipeline Stall Using a Buffer Memory Unit and a Processor** - This invention improves the image rendering process by utilizing a buffer memory unit to store input ray data. It fetches the corresponding shape data from a cache, ensuring that the processor can operate smoothly without delays, leading to more efficient rendering outcomes.

Career Highlights: Tack Don Han has built a successful career contributing to renowned companies such as Colorzip Media, Inc. and Samsung Electronics Co., Ltd. His roles at these organizations have allowed him to develop and refine technologies that push the boundaries of image processing.

Collaborations: Throughout his career, Tack has collaborated with notable professionals in the field, including Cheol Ho Cheong and Woo Chan Park. Their partnerships have further enriched his innovative work and contributed to the success of various projects.

Conclusion: Tack Don Han represents a significant force in the realm of image processing innovations. With a strong foundation of patents and collaborations, he continues to enhance the technological landscape, making valuable contributions that shape the future of image rendering and processing methods. His work not only illustrates his inventiveness but also sets the stage for further advancements in 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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