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For the Inventor, By the Inventor

Isehara, Japan

Kunihiro Sakai

This inventor holds 82 USPTO granted patents, plus 1 CIPO patent, primarily in Image Forming Technologies (CPC class 369126). Top assignees: Canon Kabushiki Kaisha, Canon U.s.a., Inc.. Active years: 1988-2022.

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

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

USPTO Granted Patents = 82

% Patents Active = 95.1


Average Co-Inventor Count = 4.7

ph-index = 24

Forward Citations = 1,557(Granted Patents)

Forward Citations (Not Self Cited) = 1,482(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Isahara, JP (1992)
  • Yamato, JP (1988 - 1997)
  • Isehara, JP (1991 - 2005)
  • Kanagawa-ken, JP (2007)
  • Tokyo, JP (1989 - 2022)

Company Filing History:

goldMedal81 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 304 
 
Canon U.s.a., Inc.
 patents

Years Active: 1988-2022

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Areas of Expertise:
Microorganism Detection
Image Forming Apparatus
Electron Beam Device
Probe Position Control
Information Processing
Recording Method
Display Apparatus
Scanning Probe Microscope
Multi-probe Systems
Fuzzy Operating Unit
Positional Displacement Detection
Cold Cathode Elements
82 patents (USPTO):Explore Patents
1. 11214823 - Sample-to-answer system for microorganism detection featuring target enrichment, amplification and detection (2022-01-04),
2. 7297039 - Method of manufacturing image forming apparatus (2007-11-20),
3. 7160168 - Method of manufacturing image forming apparatus (2007-01-09),
4. 6926571 - Method of manufacturing spacer, method of manufacturing image forming apparatus using spacer, and apparatus for manufacturing spacer (2005-08-09),
5. 6712665 - Method of manufacturing an image forming apparatus having improved spacers (2004-03-30),
6. 6549181 - Image display apparatus and its driving method (2003-04-15),
7. 6517399 - Method of manufacturing spacer, method of manufacturing image forming apparatus using spacer, and apparatus for manufacturing spacer (2003-02-11),
8. 6506087 - Method and manufacturing an image forming apparatus having improved spacers (2003-01-14),
9. 6445367 - Electron-beam generating device having plurality of cold cathode elements, method of driving said device and image forming apparatus applying same (2002-09-03),
10. 6169528 - Electron generating device, image display apparatus, driving circuit therefor, and driving method (2001-01-02),
11. 5994698 - Microprobe, preparation thereof and electronic device by use of said (1999-11-30),
12. 5949393 - Image display apparatus having phosphors arranged in a checkerboard (1999-09-07),
13. 5831961 - Information processing apparatus with probe undergoing circular motion (1998-11-03),
14. 5793040 - Information processing aparatus effecting probe position control with (1998-08-11),
15. 5778134 - Apparatus for recording and reproducing image information in a recording (1998-07-07),

Title: Kunihiro Sakai: A Pioneer in Microorganism Detection and Image Forming Technologies

Introduction

Kunihiro Sakai is a distinguished inventor based in Isehara, Japan, renowned for his significant contributions to technology. With an impressive portfolio of 82 patents, he has made remarkable advancements in the fields of microorganism detection and image forming apparatus manufacturing. His innovative spirit and technical expertise have led to breakthroughs that benefit various industries.

Latest Patents

Among his latest inventions, Sakai has developed a "Sample-to-answer system for microorganism detection featuring target enrichment, amplification, and detection." This innovative system is designed to detect microorganisms, such as bacteria, in samples, providing a crucial tool for safety and health in various environments.

Another notable patent is the "Method of manufacturing image forming apparatus," which outlines a process for creating an image forming device that utilizes a specialized envelope made of distinct substrates. This method involves precisely cutting and positioning spacers to maintain required spaces between substrates, ensuring high-quality image formation.

Career Highlights

Throughout his career, Kunihiro Sakai has contributed to leading companies in the technology sector. Notably, he has worked with Canon Kabushiki Kaisha and Canon U.S.A., Inc., where he developed innovative solutions and technologies that have enhanced their product offerings.

Collaborations

Sakai has had the privilege of collaborating with esteemed coworkers, including Takahiro Oguchi and Hiroshi Matsuda. These partnerships have fostered a creative environment that cultivates innovation and drives progress in their shared technical goals.

Conclusion

Kunihiro Sakai's contributions to technology exemplify the spirit of innovation. His extensive portfolio of patents showcases his commitment to advancing microorganism detection technologies and manufacturing processes for image forming apparatuses. As he continues to push the boundaries of these fields, Sakai remains a pivotal figure in driving technological advancements that enhance everyday life.

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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