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For the Inventor, By the Inventor

Utsunomiya, Japan

Takao Ukaji

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 251(Granted Patents)


Location History:

  • Yokohama, JP (1988 - 1990)
  • Tochigi, JP (2003 - 2006)
  • Utsunomiya, JP (1998 - 2015)

Company Filing History:

goldMedal12 out of 90,594 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1988-2015

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12 patents (USPTO):Explore Patents
1. 9043182 - Absolute position measurement apparatus and method (2015-05-26),
2. 7955938 - Wiring technique (2011-06-07),
3. 7686144 - Vibration isolation device, arithmetic apparatus, exposure apparatus, and device manufacturing method (2010-03-30),
4. 7294906 - Wiring technique (2007-11-13),
5. 7081950 - Stage device and control method therefor, exposure apparatus, and device manufacturing method (2006-07-25),
6. 6847132 - Electromagnetic actuator having an armature coil surrounded by heat-conducting anisotropy material and exposure apparatus (2005-01-25),
7. 6654098 - Stage apparatus, exposure apparatus, and device production method (2003-11-25),
8. 6285457 - Exposure apparatus and device manufacturing method including measuring position and/or displacement of each of a base and a stage with respect to a support (2001-09-04),
9. 5773953 - Substrate transfer system (1998-06-30),
10. 4934064 - Alignment method in a wafer prober (1990-06-19),
11. 4929893 - Wafer prober (1990-05-29),
12. 4779981 - Reject chip marking device and method of discriminating reject mark (1988-10-25),

Title: The Innovative Mind of Takao Ukaji

Introduction

Takao Ukaji, an accomplished inventor based in Utsunomiya, Japan, is known for his significant contributions to technology, holding a remarkable total of 12 patents. His inventive spirit has led to advancements in measurement apparatuses and electrical engineering, making him a valuable asset to the field.

Latest Patents

Among Takao Ukaji's latest patents is the "Absolute Position Measurement Apparatus and Method." This innovative apparatus measures the absolute position of an object using a first light source and a second light source, which possesses lower coherency than the first. The device measures the interference signals from both light sources to determine the absolute position accurately.

Another notable invention is the "Wiring Technique," which provides a novel approach for supplying electrical power to a movable member. This apparatus consists of a fixed member and a movable member, connected by a flexible wiring member that enables the safe transmission of electrical power while ensuring the cooling of the fixed member.

Career Highlights

Takao Ukaji plays a significant role at Canon Kabushiki Kaisha, where he contributes to the development of cutting-edge technologies. His work not only demonstrates his expertise in innovation but also reflects the company's commitment to advancing technology in various fields.

Collaborations

Throughout his career, Takao Ukaji has collaborated with other talented individuals such as Mitsuya Sato and Nobuhito Yamaguchi. These collaborations have undoubtedly enriched his experience and contributed to the successful development of his patents.

Conclusion

Takao Ukaji's contributions to the world of inventions are noteworthy, with his patents reflecting a deep understanding of technology and innovative thinking. As a proud inventor at Canon Kabushiki Kaisha, his work continues to make a significant impact in advancing the landscape of measurement and electrical power supply technologies.

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