Hirotomo Sai

This inventor holds 15 USPTO granted patents and 8 published patent applications and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Industry & Control Solutions, Ltd., Clarion Co. Active years: 2007-2017.

USPTO Granted Patents = 15 (Patent Applications = 8)

% Patents Active = 33.3

EPO Patents = 1 (Patent Applications = 4)

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 36(Granted Patents)

Location History:

Yokohama, JP (2007 - 2017)
Tokyo, JP (2016 - 2017)

Company Filing History:

Hitachi Industry & Control Solutions, Ltd.

Years Active: 2007-2017

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9723282 - In-vehicle imaging device (2017-08-01),

2. 9712724 - Image signal processing apparatus, imaging apparatus and image processing program for performing image and noise correction (2017-07-18),

3. 9602737 - Imaging apparatus (2017-03-21),

4. 9355327 - Image processing apparatus and imaging apparatus with noise correction function and signal level correction function (2016-05-31),

5. 9350905 - Image signal processing apparatus, image signal processing method, and image capturing apparatus (2016-05-24),

6. 8878980 - Image signal processing device for auto-focus for a scene including a point light source (2014-11-04),

7. 8836826 - Image signal processing apparatus and image signal processing method (2014-09-16),

8. 8830338 - Imaging device (2014-09-09),

9. 8804011 - Imaging device (2014-08-12),

10. 8681242 - Image signal processing system (2014-03-25),

11. 8368755 - Photographing apparatus, image signal choosing apparatus, driving assisting apparatus and automobile (2013-02-05),

12. 8254702 - Image compression method and image processing apparatus (2012-08-28),

13. 7590348 - Photographing apparatus (2009-09-15),

14. 7515760 - Multiple picture-data compression system (2009-04-07),

15. 7304672 - Contour correcting video signal processing apparatus (2007-12-04),

Title: Hirotomo Sai: Innovator in Imaging Technology

Introduction

Hirotomo Sai is a prominent inventor based in Yokohama, Japan, known for his significant contributions to imaging technology. With a total of 15 patents to his name, he has made remarkable advancements in the field of image processing and in-vehicle imaging devices.

Latest Patents

One of his latest patents is an in-vehicle imaging device that features a detection region setting unit. This unit is designed to set a detection region corresponding to a predetermined object within an imaging screen. Additionally, it includes a color signal determination unit that sets a specific color for the object to be detected and determines whether the color data of pixels in the detection region are close to this specific color. Furthermore, a gain control unit averages the color data of approximate color pixels and adjusts the color gain of the image signal based on the differential value of the specific color data and the average value of the approximate color pixels. Another notable patent is an image signal processing apparatus that includes an image signal input unit, a noise correcting unit, and an image signal correcting unit. This apparatus executes noise correction processing and signal level correction to output a noise-corrected and signal level-corrected image signal.

Career Highlights

Hirotomo Sai has worked with notable companies such as Hitachi, Ltd. and Hitachi Industry & Control Solutions, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in imaging technology.

Collaborations

Throughout his career, Hirotomo has collaborated with talented individuals, including Shinichiro Hirooka and Mari Ohbuchi. These collaborations have contributed to the advancement of his projects and innovations.

Conclusion

Hirotomo Sai's work in imaging technology has led to significant advancements and numerous patents. His contributions continue to influence the field and inspire future innovations.