Kawasaki, Japan

Kaoru Kusafuka

This inventor holds 12 USPTO granted patents. Top assignees: International Business Machines Corporation, Chi Mei Optoelectronics Corporation, Innolux Corporation. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Kusafuka. Retrieved from https://idiyas.com/inventor/kaoru-kusafuka-t4rz7b4n

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

Calculating rank

% Patents Active = 83.3

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 54(Granted Patents)


Location History:

  • Sagamihara, JP (1999)
  • Shiga, JP (2006)
  • Kawasaki, JP (2001 - 2007)
  • Kanagawa-ken, JP (2007 - 2014)

Company Filing History:


Years Active: 1999-2014

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12 patents (USPTO):Explore Patents

Title: Kaoru Kusafuka: Innovator in Image Display Technology

Introduction

Kaoru Kusafuka is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of image display technology, holding a total of 12 patents. His innovative work has paved the way for advancements in how images are displayed on various devices.

Latest Patents

Kusafuka's latest patents include an image display device that features a light source and an array substrate with multiple sub-pixel areas corresponding to various color filters. This device incorporates a liquid crystal layer containing liquid crystal molecules that exhibit different derangements based on the color filters. Notably, the light transmittance per unit area in the peripheral region of the array substrate is equal to or less than that in the display region. Another patent describes a similar image display device, emphasizing the importance of maintaining a resistivity ratio of the color filters to enhance display quality.

Career Highlights

Throughout his career, Kaoru Kusafuka has worked with notable companies, including IBM and Chi Mei Optoelectronics Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the display industry.

Collaborations

Kusafuka has collaborated with esteemed colleagues such as Mitsuru Ikezaki and Hidehisa Shimizu. These partnerships have fostered a creative environment that has led to innovative solutions in image display technology.

Conclusion

Kaoru Kusafuka's contributions to image display technology are noteworthy, with a solid portfolio of patents that reflect his expertise and innovative spirit. His work continues to influence the industry and inspire future advancements in display technologies.

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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