Yoshitaka Itoh

This inventor holds 58 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Projection Technology (CPC class G03B). Top assignees: Seiko Epson Corporation, Seiko Epson Kabushiki Kaisha. Active years: 1986-2023.

USPTO Granted Patents = 58 (Patent Applications = 1)

% Patents Active = 74.1

EPO Patents = 1

Average Co-Inventor Count = 1.4

ph-index = 14

Forward Citations = 564(Granted Patents)

Forward Citations (Not Self Cited) = 560(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nagano, JP (1986 - 1987)
Nagano-ken, JP (2000 - 2006)
Suwa, JP (1995 - 2013)
Matsumoto, JP (2006 - 2023)

Company Filing History:

56 out of 34,238

Seiko Epson Corporation

patents

2 out of 49

Seiko Epson Kabushiki Kaisha

patents

Years Active: 1986-2023

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Areas of Expertise:

Light Source Module

Projector

Illumination Device

Wavelength Conversion

Polarization Conversion

Optical Display

Lighting Device

Image Projection

Polarized Light

Projection Display

Cooling Mechanism

Uniform Brightness

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11747720 - Light source module and projector (2023-09-05),

2. 11619870 - Projector (2023-04-04),

3. 11042079 - Projector (2021-06-22),

4. 11009785 - Projector (2021-05-18),

5. 10908487 - Light emitting device and projector (2021-02-02),

6. 10877362 - Wavelength conversion element, light source device, and projector (2020-12-29),

7. 10261403 - Wavelength conversion element, light source apparatus, and projector (2019-04-16),

8. 9357189 - Projector (2016-05-31),

9. 8926100 - Illumination device having improved illumination light symmetricalness and projector having the illumination device (2015-01-06),

10. 8616707 - Projector with cooling mechanism (2013-12-31),

11. 8567956 - Projector (2013-10-29),

12. 8529066 - Projector that switches between polarization states (2013-09-10),

13. 8496335 - Illumination apparatus, projector, and illumination method (2013-07-30),

14. 8496334 - Illumination apparatus, projector, and illumination method (2013-07-30),

15. 8414134 - Illumination apparatus and projector (2013-04-09),

As an AI assistant specialized in innovations, inventions, inventors, patent attorneys, assignees, and patents, I'll gladly assist you with the requested article about inventor Yoshitaka Itoh.

Title: Spotlight on Inventor Yoshitaka Itoh from Matsumoto, JP

Introduction:

Yoshitaka Itoh, a prolific inventor hailing from Matsumoto, JP, has made significant contributions to the field of technology with a remarkable portfolio of 58 patents to his name.

Latest Patents:

Among his latest patents is a cutting-edge Light Source Module and Projector. The light source module boasts a resonator made of a photonic crystal structure and a unique polarization conversion element, enhancing the efficiency and functionality of the light emission process.

Career Highlights:

Over the years, Yoshitaka Itoh has showcased his innovation prowess while working with renowned companies such as Seiko Epson Corporation and Seiko Epson Kabushiki Kaisha. His expertise and dedication have been instrumental in driving advancements in the tech industry.

Collaborations:

Collaborating with like-minded professionals has been a cornerstone of Yoshitaka Itoh's success. Notable individuals like Toshiaki Hashizume and Akitaka Yajima have been key collaborators in his journey towards pioneering technological innovations.

Conclusion:

In conclusion, Yoshitaka Itoh's groundbreaking inventions and patents stand as a testament to his ingenuity and commitment to pushing the boundaries of technological innovation. His contributions have left an indelible mark on the industry, inspiring future generations of inventors to strive for excellence in their pursuits.