Masao Imai

This inventor holds 69 USPTO granted patents and 11 published patent applications and 3 EPO patents, primarily in Projection Display Technology (CPC class G02B). Top assignees: Nec Corporation, Nlt Technologies, Ltd., Nec Lcd Technologies, Ltd.. Active years: 1988-2017.

USPTO Granted Patents = 69 (Patent Applications = 11)

% Patents Active = 79.7

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 2.4

ph-index = 13

Forward Citations = 679(Granted Patents)

Forward Citations (Not Self Cited) = 671(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Minato-ku, JP (2013 - 2016)
Tokyo, JP (1988 - 2017)

Company Filing History:

Nlt Technologies, Ltd.

patents

3 out of 568

Nec Lcd Technologies, Ltd.

patents

4. 1 out of 9

Getner Foundation LLC

Nec Viewtechnology, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1988-2017

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Areas of Expertise:

Illumination Device

Projection Display

Optical Element

Liquid Crystal Shutter

Image Processing

Three-Dimensional Viewing

Light Source

Display Apparatus

Color Synthesis

Video Viewing System

Image Transmission

Display Method

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9819919 - Illumination device and projection display device using same (2017-11-14),

2. 9436016 - Liquid crystal shutter eyeglass (2016-09-06),

3. 9429761 - Color synthesis optical element, projection-type display device using same, and method for controlling display thereof (2016-08-30),

4. 9400419 - Illumination device and projection display device using same (2016-07-26),

5. 9304384 - Projection display apparatus and projection light generating method (2016-04-05),

6. 9285599 - Three-dimensional video viewing system, display system, optical shutter, and three-dimensional video viewing method (2016-03-15),

7. 9210415 - Three-dimensional picture viewing system, display system, optical shutter, and three-dimensional picture viewing method (2015-12-08),

8. 9195125 - Projection display apparatus and projection light generating method (2015-11-24),

9. 9179122 - Image transmission system, image transmission apparatus and image transmission method (2015-11-03),

10. 9170351 - Optical element, light source apparatus, and projection-type display apparatus (2015-10-27),

11. 9116270 - Optical element, light source device, and projection display device (2015-08-25),

12. 9110357 - Display element, display device, and projection display device (2015-08-18),

13. 9086619 - Optical device for projection display device having plasmons excited with fluorescence (2015-07-21),

14. 9041041 - Optical device, optical element, and image display device (2015-05-26),

15. 9039201 - Display element, display device, and projection display device (2015-05-26),

Title: The Innovative Journey of Masao Imai

Introduction: Masao Imai is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masao Imai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Masao Imai has worked with leading research institutions and multinational corporations, spearheading projects that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Masao Imai has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of creativity and excellence in all his projects.

Conclusion: Masao Imai's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the world of inventions.