Tetsuya Fujioka

This inventor holds 76 USPTO granted patents and 9 published patent applications and 24 EPO patents, primarily in Image Projection Technology (CPC class G03B). Top assignee: Ricoh Company, Ltd.. Active years: 1989-2019.

USPTO Granted Patents = 76 (Patent Applications = 9)

% Patents Active = 59.2

EPO Patents = 24 (Patent Applications = 21)

Average Co-Inventor Count = 4.4

ph-index = 12

Forward Citations = 406(Granted Patents)

Forward Citations (Not Self Cited) = 359(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (1989 - 2013)
Kanagawa, JP (2010 - 2019)

Company Filing History:

76 out of 28,934

Ricoh Company, Ltd.

patents

Years Active: 1989-2019

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Areas of Expertise:

Image Formation Unit

Light Source Device

Optical Engine

Cooling Apparatus

Projection Lens Unit

Illumination Optical System

High Resolution Projection

Duct Cover

Switch Mechanism

Electronic Device

Image Generating Unit

Projection Optical Device

76 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10277871 - Image formation unit and image projection apparatus (2019-04-30),

2. 10036943 - Light source device, image projector, and method for disposing light source device (2018-07-31),

3. 10012893 - Image projection apparatus (2018-07-03),

4. 9964733 - Holding structure for holding reflecting mirror, projection optical system unit, optical engine, and image projecting apparatus (2018-05-08),

5. 9961310 - Image projection apparatus (2018-05-01),

6. 9952486 - High resolution image projection apparatus with horizontally actuated image generation unit (2018-04-24),

7. 9864262 - Image projection device and image projection method to control an illumination area based on movement of image generating unit (2018-01-09),

8. 9829671 - Projection lens unit, optical engine, and image projecting apparatus (2017-11-28),

9. 9787956 - Image projection apparatus (2017-10-10),

10. 9778551 - Illumination optical system, optical engine, and image projection apparatus (2017-10-03),

11. 9713282 - Cooling apparatus, image projection apparatus, and electronic device (2017-07-18),

12. 9678416 - Light source device provided with cooler and image projection device including light source device provided with cooler (2017-06-13),

13. 9671681 - Image projection apparatus (2017-06-06),

14. 9645478 - Cooling device, image projection apparatus, and electronic apparatus (2017-05-09),

15. 9625797 - Projection optical device and image projection apparatus (2017-04-18),

Title: Tetsuya Fujioka - Innovative Inventor from Kanagawa, JP

Introduction: Tetsuya Fujioka is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tetsuya Fujioka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Tetsuya Fujioka has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of invention.

Collaborations: Throughout his career, Tetsuya Fujioka has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Tetsuya Fujioka's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in remarkable ways.