Mayumi Nagayoshi

This inventor holds 14 USPTO granted patents and 5 published patent applications and 2 EPO patents. Top assignees: Hitachi Consumer Electronics Co., Ltd., Hitachi, Ltd., Maxell, Ltd.. Active years: 2011-2025.

USPTO Granted Patents = 14 (Patent Applications = 5)

% Patents Active = 78.6

EPO Patents = 2 (Patent Applications = 6)

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 7(Granted Patents)

Location History:

Chofu, JP (2011 - 2015)
Tokyo, JP (2014 - 2023)

Company Filing History:

7 out of 365

Hitachi Consumer Electronics Co., Ltd.

Hitachi Maxwell, Ltd.

patents

5. 1 out of 203

Hitachi Media Electronics Co., Ltd.

patents

Years Active: 2011-2025

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12198399 - Display system and display method (2025-01-14),

2. 11648878 - Display system and display method (2023-05-16),

3. 9122145 - Laser projector with reduced speckle (2015-09-01),

4. 8827492 - Back light unit and display apparatus using the same (2014-09-09),

5. 8827459 - Optical unit (2014-09-09),

6. 8804474 - Optical information recording/reproducing apparatus (2014-08-12),

7. 8596848 - Liquid crystal display device, backlight and LED (2013-12-03),

8. 8529068 - Optical unit (2013-09-10),

9. 8514349 - Image display apparatus and backlight apparatus used therefor (2013-08-20),

10. 8350986 - Backlight unit and video display apparatus applying the same therein (2013-01-08),

11. 8308301 - Optical unit (2012-11-13),

12. 8009246 - Liquid crystal display device comprising reflecting portions for reflecting light beams and focusing them on circumferences of electrode portions of linear light sources (2011-08-30),

13. 7940351 - Image display apparatus (2011-05-10),

14. 7911558 - Image display apparatus and backlight unit to be used therein (2011-03-22),

Title: Mayumi Nagayoshi: Innovator in Display Technology

Introduction

Mayumi Nagayoshi is a prominent inventor based in Chofu, Japan, known for her significant contributions to display technology. With a total of 14 patents to her name, she has made remarkable advancements in enhancing visual recognition systems for drivers.

Latest Patents

One of her latest patents involves a sophisticated display system and method. This innovation features a luminance determining unit that assesses the luminance distribution of an exterior circumstantial image in the line-of-sight direction of a driver. A luminance changing unit identifies a bright region within this distribution and determines the luminance after changes in the peripheral area of this bright region. Furthermore, a virtual-image creating unit generates a virtual image based on the determined luminance, which is then displayed on a display unit by a display processing unit. This system effectively increases the luminance in the periphery of the bright region, moderating the driver's perception of brightness and thereby improving visual recognition.

Career Highlights

Throughout her career, Mayumi has worked with notable companies such as Hitachi Consumer Electronics Co., Ltd. and Hitachi, Ltd. Her experience in these organizations has allowed her to develop and refine her innovative ideas in display technology.

Collaborations

Mayumi has collaborated with esteemed colleagues, including Satoshi Ouchi and Seiji Murata, contributing to the advancement of her projects and patents.

Conclusion

Mayumi Nagayoshi's work in display technology exemplifies her dedication to innovation and improvement in visual systems. Her patents reflect her commitment to enhancing driver safety and experience through advanced display methods.