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For the Inventor, By the Inventor

Yokohama, Japan

Hidejiro Kadowaki

This inventor holds 50 USPTO granted patents and 1 EPO patent, primarily in Position Measurement (CPC class 356 ). Top assignee: Canon Kabushiki Kaisha. Active years: 1977-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidejiro Kadowaki. Retrieved from https://idiyas.com/inventor/hidejiro-kadowaki

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

USPTO Granted Patents = 50

% Patents Active = 90.0


Average Co-Inventor Count = 3.9

ph-index = 16

Forward Citations = 740(Granted Patents)

Forward Citations (Not Self Cited) = 694(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JA (1977)
  • Ohta-ku, JP (2006)
  • Yokohama, JP (1979 - 2008)
  • Kanagawa-ken, JP (2009)

Company Filing History:

goldMedal50 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1977-2009

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Areas of Expertise:
Position Measurement
Doppler Velocimeter
Interference Measuring Apparatus
Displacement Detection
Optical Devices
Recording Apparatus
Phase Difference Signals
Encoder
Image Processing
Liquid Jet Recording
Frequency Shifter
Diffraction Grating
50 patents (USPTO):Explore Patents
1. 7554671 - Absolute position measurement apparatus (2009-06-30),
2. 7551290 - Absolute position measurement apparatus (2009-06-23),
3. 7375820 - Interference measuring apparatus for detecting a plurality of stable phase difference signals (2008-05-20),
4. 7110120 - Movement-direction determination apparatus (2006-09-19),
5. 7034947 - Compact interference measuring apparatus for detecting the magnitude and direction of positional deviation (2006-04-25),
6. 6674066 - Encoder (2004-01-06),
7. 6657181 - Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals (2003-12-02),
8. 6631047 - Interference device, position detecting device, positioning device and information recording apparatus using the same (2003-10-07),
9. 6618218 - Displacement detecting apparatus and information recording apparatus (2003-09-09),
10. 6473184 - Interferometer which divides light beams into a plurality of beams with different optical paths (2002-10-29),
11. 6259531 - Displacement information measuring apparatus with hyperbolic diffraction grating (2001-07-10),
12. 6151185 - Position detecting apparatus, positioning apparatus, and information (2000-11-21),
13. 5930066 - Information recording apparatus (1999-07-27),
14. 5828387 - Recording apparatus with compensation for variations in feeding speed (1998-10-27),
15. 5812250 - Doppler velocimeter and various kinds of apparatuses for signal (1998-09-22),

Title: Inventor Hidejiro Kadowaki: Pioneering Innovations in Yokohama

Introduction: Hidejiro Kadowaki is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hidejiro Kadowaki holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Kadowaki has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Hidejiro Kadowaki has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hidejiro Kadowaki's relentless pursuit of innovation and his passion for creating cutting-edge solutions have solidified his reputation as a visionary inventor in Yokohama and beyond.

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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