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For the Inventor, By the Inventor

Kawasaki, Japan

Saburo Sugawara

USPTO Granted Patents = 86


 

Average Co-Inventor Count = 1.6

ph-index = 19

Forward Citations = 1,261(Granted Patents)

Forward Citations (Not Self Cited) = 1,200(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (1985 - 1999)
  • Kanagawa-ken, JP (1997 - 1999)
  • Kanagawa, JP (1991 - 2002)
  • Tochigi-ken, JP (2003)
  • Kawasaki, JP (1990 - 2004)
  • Tochigi, JP (2003 - 2005)
  • Utsunomiya, JP (2003 - 2015)
  • Yachiyo, JP (1992 - 2019)

Company Filing History:

goldMedal57 out of 90,753 
 
Canon Kabushiki Kaisha
 patents
silverMedal22 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
bronzeMedal6 out of 176 
 
Asahi Kogaku Kogyo K.k.
 patents
4. 1 out of 2 
 
Asahi Kogaku K.k.
 patents

Years Active: 1985-2019

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Areas of Expertise:
Optical Systems
Zoom Lenses
Image Projection
Stereoscopic Imaging
Illuminating Devices
Projection Display Apparatus
Color Combining Optical Systems
Eyepiece Lenses
Image Pickup Apparatus
High-Resolution Projectors
Optical Modulators
Three-Dimensional Imaging
86 patents (USPTO):Explore Patents
1. 10216071 - Optical system and optical apparatus including the same (2019-02-26),
2. 8958161 - Zoom lens and projector using the same (2015-02-17),
3. 8891174 - Zoom lens and projector using the same (2014-11-18),
4. 8573788 - Image projecting apparatus having an optical element shiftable in a direction having a component perpendicular to an optical axis (2013-11-05),
5. 7826147 - Zoom lens and image projection apparatus (2010-11-02),
6. 6942347 - Color combining optical system, image projection optical system, and projection type image display apparatus (2005-09-13),
7. 6755538 - Projection-type image display device (2004-06-29),
8. 6751020 - Stereoscopic image pickup system (2004-06-15),
9. 6735018 - Eyepiece lens, objective lens, and optical apparatus having them (2004-05-11),
10. 6686988 - Optical system, and stereoscopic image photographing apparatus having the same (2004-02-03),
11. 6671101 - Color combining optical element, color separation optical element, and projection type display apparatus using them (2003-12-30),
12. 6634755 - Illuminating device and projector (2003-10-21),
13. 6633436 - Optical system, projection optical system, image projection apparatus having it, and image pickup apparatus (2003-10-14),
14. 6632004 - Lighting device (2003-10-14),
15. 6601957 - Projection-type image displaying device (2003-08-05),

Title: The Innovative Legacy of Saburo Sugawara

Introduction: Saburo Sugawara, a prolific inventor hailing from Kawasaki, Japan, has left an indelible mark on the world of technology with his numerous groundbreaking inventions. With a total of 86 patents to his name, Sugawara's innovative spirit and dedication to pushing the boundaries of what is possible have garnered him widespread acclaim in the field of optics.

Latest Patents: Among Sugawara's latest patents is an optical system and optical apparatus featuring a unique design with multiple reflection surfaces, allowing for precise control of light rays. Additionally, he has patented a zoom lens and projector that utilize a novel configuration of lens units, enabling seamless zooming with exceptional image quality.

Career Highlights: Throughout his illustrious career, Sugawara has contributed significantly to renowned companies such as Canon and Asahi Optical Co., Ltd (formerly known as Asahi Kogaku Kogyo Kabushiki Kaisha). His innovative spirit and technical expertise have played a pivotal role in shaping the advancements in optical technology.

Collaborations: Sugawara has had the privilege of collaborating with esteemed colleagues such as Keisuke Haraguchi and Shinsuke Kohmoto, further enhancing the depth and breadth of his inventive endeavors. Together, they have fostered a culture of innovation and excellence, leading to the development of cutting-edge optical solutions.

Conclusion: In conclusion, Saburo Sugawara's remarkable journey as an inventor exemplifies the power of dedication, creativity, and relentless pursuit of innovation. His contributions to the world of technology have not only pushed the boundaries of what is possible but have also inspired future generations of inventors to continue in his footsteps, ensuring that his legacy remains alive and thriving.

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