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For the Inventor, By the Inventor

Yokohama, Japan

Toshikazu Sakai

This inventor holds 7 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1988-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Sakai. Retrieved from https://idiyas.com/inventor/toshikazu-sakai

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 145(Granted Patents)


Location History:

  • Kawasaki, JP (1988 - 1989)
  • Yokohama, JP (1993 - 2001)

Company Filing History:

goldMedal6 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1988-2001

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7 patents (USPTO):Explore Patents
1. 6244702 - Method and apparatus for producing color filter, color filter, liquid crystal display device and apparatus having the liquid crystal display device (2001-06-12),
2. 5984470 - Apparatus for producing color filter with alignment error detection (1999-11-16),
3. 5703420 - Moving magnet type multi-phase linear motor with vibration suppression (1997-12-30),
4. 5658700 - Semiconductor manufacturing apparatus having a plurality of measurement (1997-08-19),
5. 5184055 - Device for positioning control (1993-02-02),
6. 4888536 - Device for controlling positioning of an object (1989-12-19),
7. 4716731 - Actuator of shape memory effect material (1988-01-05),

Title: **Innovative Contributions of Toshikazu Sakai in Color Filter Technology**

Introduction

Toshikazu Sakai, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of display technology. Holding a total of seven patents, his innovative work primarily focuses on the development of methods and apparatuses that enhance the production of color filters used in liquid crystal display devices.

Latest Patents

Sakai's latest patents include groundbreaking inventions such as the "Method and apparatus for producing color filter" and the "Apparatus for producing color filter with alignment error detection." These inventions detail highly precise and efficient apparatuses designed to produce color filters through advanced technology. His methods utilize multiple drawing heads to generate ink jets of red, green, and blue colors while ensuring accurate alignment and displacement detection. This technology is instrumental in improving the quality and efficiency of liquid crystal displays, vital components in modern electronic devices.

Career Highlights

Throughout his career, Toshikazu Sakai has been associated with Canon Kabushiki Kaisha, where he has played a crucial role in advancing the company's capabilities in display technology. His impressive portfolio of patents demonstrates his commitment to innovation and excellence in this field.

Collaborations

Sakai works alongside esteemed colleagues such as Shigeo Sakino and Kazuaki Masuda, creating a collaborative environment that fosters creativity and technological breakthroughs. This team effort amplifies the potential for new inventions and enhances the overall impact of their work at Canon.

Conclusion

In conclusion, Toshikazu Sakai's contributions to color filter technology reflect a blend of innovation and practical application. His patents underscore the importance of precise engineering in the development of liquid crystal displays, making him a significant figure in the realm of modern technology. As technology continues to evolve, Sakai's work will likely remain influential in shaping the future of display devices.

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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