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For the Inventor, By the Inventor

Ninomiya-machi, Japan

Takahiro Numai

USPTO Granted Patents = 21

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 119(Granted Patents)


Location History:

  • Yamanishi, JP (2002)
  • Naka-gun, JP (2003)
  • Kanagawa-ken, JP (2003)
  • Ninomiya-machi, JP (2001 - 2004)
  • Kanagawa, JP (2003 - 2004)
  • Ninomiya, JP (2004)

Company Filing History:

goldMedal21 out of 90,697 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2001-2004

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21 patents (USPTO):Explore Patents
1. 6833549 - Radiation detector, radiation imaging system, radiation detecting method and radiation imaging method (2004-12-21),
2. 6785003 - Ring laser gyro with optically independent semiconductor ring lasers (2004-08-31),
3. 6741354 - Laser device having an optical waveguide for discerning movement of an optical gyroscope and an optical gyroscope utilizing same (2004-05-25),
4. 6665330 - Semiconductor device having a semiconductor ring laser with a circularly formed ridge optical waveguide (2003-12-16),
5. 6658039 - Ring laser and method for driving a ring laser (2003-12-02),
6. 6656759 - Method of producing semiconductor element, semiconductor element, and gyroscope (2003-12-02),
7. 6639680 - Ring laser gyro and driving method therefor with improved driving current (2003-10-28),
8. 6631002 - Control of laser beams in a ring laser gyro (2003-10-07),
9. 6603113 - Gyro comprising a ring laser in which beams of different oscillation frequencies coexist and propagate in mutually opposite circulation directions, driving method of gyro, and signal detecting method (2003-08-05),
10. 6586725 - Optical gyro, driving method and signal processing method therefor (2003-07-01),
11. 6566155 - Method of manufacturing semiconductor device and gyro (2003-05-20),
12. 6559949 - Gyro apparatus and gyroscope with multiple interfering laser beams affecting an electrical signal flowing therethrough (2003-05-06),
13. 6501776 - Temperature-insensitive semiconductor laser (2002-12-31),
14. 6493089 - Gyro and method of operating the same with a modulated frequency signal (2002-12-10),
15. 6448552 - Gyro (2002-09-10),

Title: Innovations and Contributions of Takahiro Numai

Introduction

Takahiro Numai, based in Ninomiya-machi, Japan, is a distinguished inventor renowned for his significant contributions to the field of radiation detection technology. With a total of 21 patents to his name, Numai's work focuses on innovative methods and systems that enhance the accuracy and efficiency of radiation detection.

Latest Patents

Among his recent inventions are several groundbreaking patents. His notable patents include a radiation detector and a radiation imaging system. These innovations feature a unique radiation detecting method and a corresponding imaging method. The technology involves applying an electric field to a charge emitting layer that absorbs radioactive rays from a radiation source, converting them into electric charges before emitting these converted charges. This mechanism is designed to lower dark current at a trap level, improve carrier capturing efficiency, and enhance the detection of radioactive rays with minimal noise and high sensitivity. Through these advancements, it becomes possible to reliably detect incoming radioactive rays and create detailed images of them.

Another significant invention is the semiconductor ring laser gyro, which comprises two or more optically independent ring lasers. This system is designed such that a change in beat frequency in response to angular velocity is opposite between the two lasers. The angular velocity of the gyro is determined by analyzing the difference between two generated beat frequencies. Such innovations considerably improve navigational accuracy and sensor reliability in various applications.

Career Highlights

Takahiro Numai works at Canon Kabushiki Kaisha, a leading multinational corporation specializing in imaging and optical products. His role at Canon has allowed him to drive significant advancements in radiation detection technology, making meaningful contributions to both scientific research and practical applications in industries that rely on precise radiation measurement.

Collaborations

Throughout his career, Numai has collaborated with esteemed coworkers including Natsuhiko Mizutani and Jun Nitta. This teamwork has fostered an innovative environment that combines diverse expertise and perspectives, leading to enhanced solutions and advancements in technology.

Conclusion

Takahiro Numai’s innovations in radiation detection technology underscore his role as a pivotal inventor in contemporary science and engineering. His patents not only enhance the existing technology but also pave the way for future developments in applications requiring high sensitivity and accuracy in radiation measurement. With ongoing collaboration and commitment to innovation, Numai continues to shape the landscape of radiation detection and imaging.

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